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Thursday, April 17, 2014

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First Potentially Habitable Earth-Sized Planet Confirmed by Gemini and Keck Observatories

Apr. 17, 2014 The first Earth-sized exoplanet orbiting within the habitable zone of another star has been confirmed by observations with both the W. M. Keck Observatory and the Gemini Observatory. The initial ... full story

Fear of the Cuckoo Mafia: In Fear of Retaliation, Birds Accept and Raise Brood Parasites' Young

Apr. 17, 2014 If a restaurant owner fails to pay the 'protection money' demanded of him by the mob, he can expect his premises to be trashed. Warnings like these are seldom required, however, as fear of ... full story

The Story of Animal Domestication Retold: Scientists Now Think Wild Animals Interbred With Domesticated Ones Until Quite Recently

Apr. 17, 2014 A review of recent research on the domestication of large herbivores suggests that neither intentional breeding nor genetic isolation were as significant as traditionally thought. "Our findings ... full story

Earliest Ancestor of Land Herbivores Discovered: 300-Million-Year-Old Predator Showed Way to Modern Terrestrial Ecosystem

Apr. 16, 2014 New research demonstrates how carnivores transitioned into herbivores for the first time on land. Previously unknown, the 300-million-year old fossilized juvenile skeleton of Eocasea martini is less ... full story

Mars: Meteorites Yield Clues to Red Planet's Early Atmosphere

Apr. 16, 2014 Geologists analyzed 40 meteorites that fell to Earth from Mars to understand the history of the Martian atmosphere. Their new article shows the atmospheres of Mars and Earth diverged in important ... full story

A Cross-Section of the Universe

Apr. 17, 2014 An image of a galaxy cluster gives a remarkable cross-section of the universe, showing objects at different distances and stages in cosmic history. They range from cosmic near neighbors to objects ... full story

In Sex-Reversed Cave Insects, Females Have the Penises

Apr. 17, 2014 Little-known cave insects with rather novel sex lives have been discovered by researchers. The Brazilian insects, which represent four distinct but related species in the genus Neotrogla, are the ... full story

Biologists Help Solve Fungal Mysteries, Inform Studies on Climate Change

Apr. 17, 2014 A new genetic analysis revealing the previously unknown biodiversity and distribution of thousands of fungi in North America might also reveal a previously underappreciated contributor to climate ... full story

Study Shows Lasting Effects of Drought in Rainy Eastern U.S.

Apr. 17, 2014 This spring, more than 40 percent of the western U.S. is in a drought that the USDA deems "severe" or "exceptional." The same was true in 2013. In 2012, drought even spread to the ... full story

New MRSA Superbug Emerges in Brazil

Apr. 17, 2014 A new superbug that caused a bloodstream infection in a Brazilian patient has been identified by an international research team. The new superbug is part of a class of highly-resistant bacteria known ... full story

For Cells, Internal Stress Leads to Unique Shapes

Apr. 16, 2014 A cell's unique shape results from an internal tug-of-war: the cell needs to maintain structural integrity while also dynamically responding to the pushes and pulls of mechanical stress, ... full story

At the Origin of Cell Division: The Features of Living Matter Emerge from Inanimate Matter in Simulation

Apr. 16, 2014 Droplets of filamentous material enclosed in a lipid membrane: these are the models of a “simplified” cell used by physicists who simulated the spontaneous emergence of cell motility and division ... full story

How Smells Stick to Your Memories: Your Nose Can Be a Pathfinder

Apr. 16, 2014 Waves in your brain make smells stick to your memories and inner maps. Researchers have recently discovered the process behind this phenomenon. The brain, it turns out, connects smells to memories ... full story

Scientists Re-Define What's Healthy in Newest Analysis for Human Microbiome Project

Apr. 16, 2014 A new look at the Human Microbiome Project shows wide variation in the types of bacteria found in healthy people. Based on their findings, there is no single healthy microbiome. Rather each person ... full story

Scientists Achieve First Direct Observations of Excitons in Motion

Apr. 16, 2014 A quasiparticle called an exciton -- responsible for the transfer of energy within devices such as solar cells, LEDs, and semiconductor circuits -- has been understood theoretically for decades. But ... full story

Featured Videos

from AP, Reuters, AFP, and other news services

Could Even Casual Marijuana Use Alter Your Brain?

Could Even Casual Marijuana Use Alter Your Brain?

Newsy (Apr. 16, 2014) A new study conducted by researchers at Northwestern and Harvard suggests even casual marijuana use can alter your brain. Video provided by Newsy
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New Baby Moon 'Peggy' Spotted In Saturn's Rings

New Baby Moon 'Peggy' Spotted In Saturn's Rings

Newsy (Apr. 15, 2014) A bump in the rings could be a half-mile-wide miniature moon. It was found by accident in Cassini probe images. Video provided by Newsy
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Cognitive Function: Is It All Downhill From Age 24?

Cognitive Function: Is It All Downhill From Age 24?

Newsy (Apr. 15, 2014) A new study out of Canada says cognitive motor performance begins deteriorating around age 24. Video provided by Newsy
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Carpenter's Injury Leads To Hundreds Of 3-D-Printed Hands

Carpenter's Injury Leads To Hundreds Of 3-D-Printed Hands

Newsy (Apr. 14, 2014) Richard van As lost all fingers on his right hand in a woodworking accident. Now, he's used the incident to create a prosthetic to help hundreds. Video provided by Newsy
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last updated on 2014-04-17 at 3:13 pm EDT

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Fish Consumption Advisories for Expecting Mothers Fail to Cover All Types of Contaminants

Apr. 17, 2014 Fish consumption advisories for expecting mothers are ineffective in reducing infant exposure to contaminants like persistent organic pollutants. The researchers' model estimates that women who stop ... full story

Connecting Sleep Deficits Among Young Fruit Flies to Disruption in Mating Later in Life

Apr. 17, 2014 Mom always said you need your sleep, and it turns out, she was right. According to a new study, the lack of sleep in young fruit flies profoundly diminishes their ability to do one thing they do ... full story

Boosting Depression-Causing Mechanisms in Brain Increases Resilience, Surprisingly

Apr. 17, 2014 New research uncovers a conceptually novel approach to treating depression. Instead of dampening neuron firing found with stress-induced depression, researchers demonstrated for the first time that ... full story

New Cause of Brain Bleeding Immediately After Stroke Identified

Apr. 17, 2014 By discovering a new mechanism that allows blood to enter the brain immediately after a stroke, researchers have opened the door to new therapies that may limit or prevent stroke-induced brain ... full story

Proper Stem Cell Function Requires Hydrogen Sulfide

Apr. 17, 2014 Stem cells in bone marrow need to produce hydrogen sulfide in order to properly multiply and form bone tissue, according to a new study. Researchers demonstrated that mice's osteoporosis-like ... full story

Discovery Could Lead to Novel Therapies for Fragile X Syndrome

Apr. 17, 2014 Scientists studying the most common form of inherited mental disability -- a genetic disease called 'Fragile X syndrome' -- have uncovered new details about the cellular processes responsible for the ... full story

For Resetting Circadian Rhythms, Neural Cooperation Is Key

Apr. 17, 2014 Fruit flies are pretty predictable when it comes to scheduling their days, with peaks of activity at dawn and dusk and rest times in between. Now, researchers have found that the clusters of brain ... full story

Fighting Malaria Drug Resistance: Scientists Find New Way

Apr. 17, 2014 An anti-malarial treatment that lost its status as the leading weapon against the deadly disease could be given a new lease of life, with new research indicating it simply needs to be administered ... full story

Some Immune Cells Defend Only One Organ

Apr. 17, 2014 Some organs have the immunological equivalent of 'neighborhood police' -- specialized squads of defenders that patrol only one area, a single organ, instead of an entire city, the body, scientists ... full story

Radiation Therapy for Cervical Cancer Increases Risk for Colorectal Cancer

Apr. 17, 2014 Young women treated with radiation for cervical cancer should begin colorectal cancer screening earlier than traditionally recommended, researchers are recommending for the first time. After finding ... full story

'I Spy' Used to Show Spoken Language Helps Direct Children's Eyes

Apr. 17, 2014 Children spot objects more quickly when prompted by words than if they are only prompted by images, cognitive scientists have demonstrated. Spoken language taps into children's cognitive system, ... full story

'Brain Training' Overcomes Tics in Tourette Syndrome, Study Finds

Apr. 17, 2014 Children with Tourette Syndrome (TS) may unconsciously train their brain to more effectively control their tics. Teenagers diagnosed with Tourette Syndrome (TS) were slower than their typically ... full story

Atypical Brain Connectivity Associated With Autism Spectrum Disorder

Apr. 16, 2014 Autism spectrum disorder in adolescents appears to be associated with atypical connectivity in the brain involving the systems that help people infer what others are thinking and understand the ... full story

Family Ties in the Language Jungle: Amazon Language Relationships Revealed

Apr. 16, 2014 Relationships between rare languages in the Colombian Amazon have been revealed by researchers. The only linguistic data available for Carabayo, a language spoken by an indigenous group that lives in ... full story

Surprising Consequences of Banning Chocolate Milk

Apr. 16, 2014 Eliminating chocolate milk from elementary schools decreased total milk sales by 10 percent, and increased milk waste by 29 percent, a study has shown. Additionally, the ban may have been a factor in ... full story

Beating the Clock for Ischemic Stroke Sufferers

Apr. 16, 2014 Researchers have developed a new computer tool to ensure faster care and treatment for stroke patients. The CAD stroke technology is capable of detecting signs of stroke from computed tomography (CT) ... full story

In Old Age, Lack of Emotion, Interest May Signal Brain Is Shrinking

Apr. 16, 2014 Older people who have apathy but not depression may have smaller brain volumes than those without apathy, according to a new study. Apathy is a lack of interest or ... full story

How Kids' Brain Structures Grow as Memory Develops

Apr. 16, 2014 Our ability to store memories improves during childhood, associated with structural changes in the hippocampus and its connections with prefrontal and parietal cortices. New research is exploring how ... full story

Eavesdropping on Brain Cell Chatter

Apr. 16, 2014 Everything we do -- all of our movements, thoughts and feelings -- are the result of neurons talking with one another, and recent studies have suggested that some of the conversations might not be ... full story

Cancer Drugs Block Dementia-Linked Brain Inflammation, Study Finds

Apr. 16, 2014 A class of drugs developed to treat immune-related conditions and cancer -- including one currently in clinical trials for glioblastoma and other tumors -- eliminates neural inflammation associated ... full story

Changing Where a Baby Is Held Immediately After Birth Could Lead to Improved Uptake of Procedure That Reduces Infant Iron Deficiency

Apr. 16, 2014 Changing where a newborn baby is held before its umbilical cord is clamped could lead to improved uptake in hospitals of delayed cord clamping, leading to a decreased risk of iron deficiency in ... full story

Bacteria Survive Longer in Contact Lens Cleaning Solution Than Previously Thought, Study Shows

Apr. 16, 2014 Each year in the UK, bacterial infections cause around 6,000 cases of a severe eye condition known as microbial keratitis – an inflammation and ulceration of the cornea that can lead to loss of ... full story

Shade Grown Coffee Shrinking as a Proportion of Global Coffee Production

Apr. 16, 2014 Over the past couple of decades, global coffee production has been shifting towards a more intensive, less environmentally friendly style, a new study has found. That's pretty surprising if you live ... full story

Toddlers 'Surprisingly Sophisticated' at Understanding Unfamiliar Accents

Apr. 16, 2014 By two years of age, children are remarkably good at comprehending speakers who talk with accents the toddlers have never heard before, a study has shown. Even more striking, say researchers, ... full story

Multiple Births Don't Have to Be an Inevitable Result of Fertility Treatments

Apr. 16, 2014 While fertility treatments have helped many people become parents, they commonly result in multiple births, increasing the risk of prematurity, and leading to lifelong complications. But this doesn't ... full story

How Toddlers Learn Verbs: New Insight

Apr. 16, 2014 Parents can help toddlers' language skills by showing them a variety of examples of different actions, according to new research. Previous research has shown that verbs pose particular difficulties ... full story

Computer Software Analyzing Facial Expressions Accurately Predicts Student Test Performance

Apr. 16, 2014 Real-time engagement detection technology that processes facial expressions can perform with accuracy comparable to that of human observers, according to new research. The study used automatic ... full story

Body Mass Index Associated With Breast Cancer, Regardless of Body Shape

Apr. 16, 2014 A larger waist circumference is associated with higher risk of postmenopausal breast cancer, but not beyond its contribution to BMI, a new study of predominantly white women finds. The study fails to ... full story

Low Vitamin D May Not Be a Culprit in Menopause Symptoms

Apr. 16, 2014 No significant connection between vitamin D levels and menopause symptoms has been made from the results of a research project on the topic. The authors analyzed the relationship between the blood ... full story

Preterm Delivery, Low Birth Weight, Neonatal Risk in Pregnant Women With High Blood Pressure

Apr. 15, 2014 Pregnant women with chronic hypertension (high blood pressure) are highly likely to suffer from adverse pregnancy outcomes such as preterm delivery, low birth weight and neonatal death, which ... full story

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Surprising Material Could Play Huge Role in Saving Energy: Tin Selenide Is Best at Converting Waste Heat to Electricity

Apr. 17, 2014 One strategy for addressing the world's energy crisis is to stop wasting so much energy when producing and using it, such as in coal-fired power plants or transportation. Nearly two-thirds of energy ... full story

New Technique Detects Microscopic Diabetes-Related Eye Damage

Apr. 17, 2014 New early-warning signs of the potential loss of sight associated with diabetes have been detected by researchers. This discovery could have far-reaching implications for the diagnosis and treatment ... full story

Key Milestone for Brown Fat Research With Ground-Breaking MRI Scan

Apr. 17, 2014 The first MRI scan to show 'brown fat' in a living adult could prove to be an essential step towards a new wave of therapies to aid the fight against diabetes and obesity. Brown fat has become a hot ... full story

Chiral Breathing: Electrically Controlled Polymer Changes Its Optical Properties

Apr. 17, 2014 Electrically controlled glasses with continuously adjustable transparency, new polarization filters, and even chemosensors capable of detecting single molecules of specific chemicals could be ... full story

Simplicity Is Key to Co-Operative Robots

Apr. 16, 2014 A way of making hundreds -- or even thousands -- of tiny robots cluster to carry out tasks without using any memory or processing power has been developed. Engineers have programmed extremely simple ... full story

Chess Robots to Cause Judgment Day?

Apr. 16, 2014 Next time you play a computer at chess, think about the implications if you beat it. It could be a very sore loser! A new study reflects upon the growing need for autonomous technology, and suggests ... full story

Information Storage for the Next Generation of Plastic Computers: Efficient Conversion from Magnetic Storage to Light Is Key

Apr. 16, 2014 Inexpensive computers, cell phones and other systems that substitute flexible plastic for silicon chips may be one step closer to reality, thanks to new research. Scientists have made a new proposal ... full story

Theoretical Biophysics: Adventurous Bacteria Decide How to Preserve Species?

Apr. 16, 2014 To reproduce or to conquer the world? Surprisingly, bacteria also face this problem. Theoretical biophysicists have now shown how these organisms should decide how best to preserve their ... full story

Quantum Computing? Progress in the Fight Against Quantum Dissipation

Apr. 16, 2014 Scientists have confirmed a 50-year-old, previously untested theoretical prediction in physics and improved the energy storage time of a quantum switch by several orders of magnitude. High-quality ... full story

Searching for Dark Energy With Neutrons: With Neutrons, Scientists Can Now Look for Dark Energy in the Lab

Apr. 16, 2014 It does not always take a huge accelerator to do particle physics: First results from a low energy, table top alternative takes validity of Newtonian gravity down by five orders of magnitude and ... full story

Red Moon at Night: Stargazer's Delight

Apr. 16, 2014 Monday night's lunar eclipse proved just as delightful as expected to those able to view it. On the East Coast, cloudy skies may have gotten in the way, but at the National Science Foundation's ... full story

A Study in Scarlet: Hot Newborn Stars Formed out of the Clouds

Apr. 16, 2014 An area of the southern sky, in the constellation of Centaurus (The Centaur), is home to many bright nebulae, each associated with hot newborn stars that formed out of the clouds of hydrogen gas. The ... full story

Astronomers: 'Tilt-a-Worlds' Could Harbor Life

Apr. 15, 2014 A fluctuating tilt in a planet's orbit does not preclude the possibility of life, according to new research. In fact, sometimes it may help. That's because such "tilt-a-worlds," as astronomers ... full story

NASA Cassini Images May Reveal Birth of a Saturn Moon

Apr. 14, 2014 NASA's Cassini spacecraft has documented the formation of a small icy object within the rings of Saturn that may be a new moon, and may also provide clues to the formation of the planet's known ... full story

Cosmic Slurp: Supercomputers Help Astronomers Understand and Predict How Black Holes Swallow Stars

Apr. 14, 2014 A 'tidal disruption' occurs when a star orbits too close to a black hole and gets usurped. Researchers are using supercomputers to simulate tidal disruptions to better understand the dynamics of the ... full story

SpaceX’s Dragon Headed to Space Station to Create Astronaut Farmers

Apr. 14, 2014 "Enter the Dragon" takes on a whole new meaning this month as SpaceX's Dragon capsule heads to the International Space Station for its third commercial resupply mission on April 14. During the ... full story

International Space Station to Beam Video Via Laser Back to Earth

Apr. 14, 2014 A team of about 20 working at NASA's Jet Propulsion Laboratory in Pasadena, Calif., through the lab's Phaeton early-career-hire program, led the development of the Optical Payload for Lasercomm ... full story

Faraway Moon or Faint Star? Possible Exomoon Found

Apr. 12, 2014 Titan, Europa, Io and Phobos are just a few members of our solar system's pantheon of moons. Are there are other moons out there, orbiting planets beyond our sun? Researchers have spotted the first ... full story

NASA's Hubble Extends Stellar Tape Measure 10 Times Farther Into Space

Apr. 11, 2014 Astronomers now can precisely measure the distance of stars up to 10,000 light-years away -- 10 times farther than previously possible. Astronomers have developed yet another novel way to use the ... full story

Microgravity Research Helping to Understand the Fungi Within

Apr. 10, 2014 You may not recognize it by name, but if you have ever had a child with a diaper rash, that child was likely a host to Candida albicans (C. albicans). This unwelcome "guest" can be hard to control, ... full story

Scientists Capture Ultrafast Snapshots of Light-Driven Superconductivity

Apr. 16, 2014 A new study pins down a major factor behind the appearance of superconductivity -- the ability to conduct electricity with 100 percent efficiency -- in a promising copper-oxide material. Scientists ... full story

Ant Colonies Help Evacuees in Disaster Zones

Apr. 16, 2014 An escape route mapping system based on the behavior of ant colonies could give evacuees a better chance of reaching safe harbor after a natural disaster or terrorist attack by building a map showing ... full story

Augmented Reality: Bringing History and the Future to Life

Apr. 16, 2014 Have you ever wished you had a virtual time machine that could show you how your street looked last century? Or have you wanted to see how your new furniture might look, before you’ve even bought ... full story

Potential Use of Google Glass in Surgical Settings

Apr. 16, 2014 A new article shows the potential applications for Google Glass in the surgical setting, particularly in relation to training. Personal portable information technology is advancing at a breathtaking ... full story

Lens Turns Any Smartphone Into a Portable Microscope

Apr. 15, 2014 The Micro Phone Lens can turn any smartphone or tablet computer into a hand-held microscope. The soft, pliable lens sticks to a device's camera without any adhesive or glue and makes it possible to ... full story

Computerized Counseling Reduces HIV-1 Viral Load, Sexual Transmission Risk

Apr. 15, 2014 Computerized counseling is a promising intervention for increased ART adherence and safer sex, especially for individuals with problems in these areas. This is the first intervention to report ... full story

Flaw in 'Secure' Cloud Storage Could Put Privacy at Risk

Apr. 15, 2014 Computer scientists have found a flaw in the way that secure cloud storage companies protect their customers’ data. The scientists say this weakness jeopardizes the privacy protection these digital ... full story

Intelligent Prosthetic Liners Could Ease Pain for Lower Limb Amputees

Apr. 15, 2014 A new device could help to relieve the pain and discomfort experienced by thousands of amputees as a result of poorly fitting replacement lower limbs. Researchers are developing a prototype of the ... full story

Futuristic Robots Allow Doctors to Examine Patients from Anywhere

Apr. 14, 2014 A fleet of telemedicine robots to improve efficiency and patient care is being deployed to physicians, who will use them to examine patients remotely. Using a laptop, tablet or smartphone, doctors ... full story

New Fusion Technology Increases Prostate Cancer Detection Accuracy to 97 Percent

Apr. 14, 2014 A powerful new tool for visualizing and monitoring the prostate in men who have high prostate-specific antigen (PSA) levels and in detecting prostate cancer more accurately is now available in some ... full story

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Methane Climate Change Risk Suggested by Proof of Redox Cycling of Humic Substances

Apr. 17, 2014 Disruption of natural methane-binding process may worsen climate change, scientists have suggested, painting a stark warning on the possible effects of gases such as methane -- which has a greenhouse ... full story

Rapid, Accurate mRNA Detection in Plant Tissues

Apr. 17, 2014 Messenger RNA (mRNA) plays an important role in gene expression, and examining the types and amounts of mRNA present in an organism allows researchers to answer key questions about gene expression ... full story

Genetic Study Tackles Mystery of Slow Plant Domestications

Apr. 17, 2014 Did domesticating a plant typically take a few hundred or many thousands of years? Genetic studies often indicate that domestication traits have a fairly simple genetic basis, which should facilitate ... full story

HIV and Schistosomiasis Coinfection in African Children: More Research Needed

Apr. 17, 2014 More research is needed on HIV and schistosomiasis coinfection in children in sub-Saharan Africa, experts say. They looked at previous research into the joint burden of HIV/AIDS and schistosomiasis ... full story

Declining Catch Rates in Caribbean Nicaragua Green Turtle Fishery May Be Result of Overfishing

Apr. 16, 2014 A 20-year assessment of Nicaragua’s legal, artisanal green sea turtle fishery has uncovered a stark reality: greatly reduced overall catch rates of turtles in what may have become an unsustainable ... full story

Chimpanzees Prefer Firm, Stable Beds

Apr. 16, 2014 Chimpanzees may select a certain type of wood, Ugandan ironwood, over other options for its firm, stable, and resilient properties to make their bed. Chimpanzees use tree branches to build beds or ... full story

Immune System Research May Help Predict Who Gets Long-Term Complications from Lyme Disease

Apr. 16, 2014 The groundwork has been laid for understanding how variations in immune responses to Lyme disease can contribute to the many different outcomes of this bacterial infection seen in individual ... full story

How Intestinal Cells Build Nutrient-Absorbing Surface

Apr. 16, 2014 The 'brush border' -- a densely packed array of finger-like projections called microvilli -- covers the surfaces of the cells that line our intestines. Researchers have now discovered how intestinal ... full story

Ancient Shark Fossil Reveals New Insights Into Jaw Evolution

Apr. 16, 2014 The skull of a newly discovered 325-million-year-old shark-like species suggests that early cartilaginous and bony fishes have more to tell us about the early evolution of jawed vertebrates -- ... full story

Sperm Meets Egg: Protein Essential for Fertilization Discovered

Apr. 16, 2014 Interacting proteins on the surface of the sperm and the egg have been discovered by researchers. These are essential to begin mammalian life. These proteins, which allow the sperm and egg to ... full story

Crucial New Information About How the Ice Ages Came About

Apr. 16, 2014 Scientists have discovered new relationships between deep-sea temperature and ice-volume changes to provide crucial new information about how the ice ages came about. The researchers found, for the ... full story

A Greener Source of Polyester: Cork Trees

Apr. 16, 2014 On the scale of earth-friendly materials, you'd be hard pressed to find two that are farther apart than polyester (not at all) and cork (very). In an unexpected twist, however, scientists are ... full story

DNA Looping Damage Tied to HPV Cancer, Researcher Discovers

Apr. 16, 2014 Certain strains of human papillomavirus (HPV) are known to cause about five percent of all cancer cases, yet all the mechanisms aren't completely understood. Now, researchers have leveraged Ohio ... full story

Floating Nuclear Plants Could Ride out Tsunamis: New Design for Enhanced Safety, Easier Siting and Centralized Construction

Apr. 16, 2014 When an earthquake and tsunami struck the Fukushima Daiichi nuclear plant complex in 2011, neither the quake nor the inundation caused the ensuing contamination. Rather, it was the aftereffects -- ... full story

Relieving Electric Vehicle Range Anxiety With Improved Batteries

Apr. 16, 2014 A new nanomaterial called a metal organic framework could extend the lifespan of lithium-sulfur batteries, which could be used to increase the driving range of electric vehicles. Researchers added ... full story

Diverse Gene Pool Critical for Tigers' Survival, Say Experts

Apr. 16, 2014 Increasing tigers' genetic diversity -- via interbreeding and other methods -- and not just their population numbers may be the best solution to saving this endangered species, according to research. ... full story

EU Must Take Urgent Action on Invasive Species, Experts Urge

Apr. 16, 2014 The EU must take urgent action to halt the spread of invasive species that are threatening native plants and animals across Europe, according to scientists. The threats posed by these species cost an ... full story

Warm U.S. West, Cold East: 4,000-Year Pattern; Global Warming May Bring More Curvy Jet Streams During Winter

Apr. 16, 2014 Last winter’s curvy jet stream pattern brought mild temperatures to western North America and harsh cold to the East. A new study shows that pattern became more pronounced 4,000 years ago, and ... full story

New Study Outlines 'Water World' Theory of Life's Origins

Apr. 15, 2014 Life took root more than four billion years ago on our nascent Earth, a wetter and harsher place than now, bathed in sizzling ultraviolet rays. What started out as simple cells ultimately transformed ... full story

New Technique Will Accelerate Genetic Characterization of Photosynthesis

Apr. 15, 2014 Photosynthesis provides fixed carbon and energy for nearly all life on Earth, yet many aspects of this fascinating process remain mysterious. We do not know the full list of the parts of the ... full story

New City Wall Discovered at Ancient Roman Port

Apr. 17, 2014 Researchers have discovered a new section of the boundary wall of the ancient Roman port of Ostia, proving the city was much larger than previously ... full story

Trials of the Cherokee Were Reflected in Their Skulls

Apr. 16, 2014 Researchers have found that environmental stressors -- from the Trail of Tears to the Civil War -- led to significant changes in the shape of skulls in the eastern and western bands of the Cherokee ... full story

Lifestyle Determines Gut Microbes: Study With Modern Hunter-Gatherers Tells Tale of Bacteria Co-Evolution

Apr. 15, 2014 The intestinal bacteria of present-day hunter-gatherers has for the first time been deciphered by an international team of researchers. Bacterial populations have co-evolved with humans over millions ... full story

Bioarchaeologists Link Climate Instability to Human Mobility in Ancient Sahara

Apr. 15, 2014 Researchers have uncovered clues to how past peoples moved across their landscape as the once lush environment deteriorated. Scientists sampled bone and teeth enamel, and used their chemical ... full story

Medieval Slave Trade Routes in Eastern Europe Extended from Finland and the Baltic Countries to Central Asia

Apr. 15, 2014 The routes of slave trade in Eastern Europe in the medieval and pre-modern period extended all the way to the Caspian Sea and Central Asia. A recent study suggests that persons captured during raids ... full story

Faithful Allies Since the Cretaceous: Symbiosis Between Beewolves and Protective Bacteria Originated Millions of Years Ago

Apr. 14, 2014 Scientists have discovered that certain wasps tightly control mother-to-offspring transmission of their bacterial symbionts. This stabilizes the symbiotic alliance and contributed to its persistence ... full story

Ferns Borrowed Genes to Flourish in Low Light

Apr. 14, 2014 During the age of the dinosaurs, the arrival of flowering plants as competitors could have spelled doom for primitive ferns. Instead, ferns diversified and flourished under the new canopy -- using a ... full story

Neanderthals and Cro-Magnons Did Not Coexist on the Iberian Peninsula, Suggests Re-Analysis of Dating

Apr. 14, 2014 The meeting between a Neanderthal and one of the first humans, which we used to picture in our minds, did not happen on the Iberian Peninsula. That is the conclusion reached by an scientists after ... full story

Does Germ Plasm Accelerate Evolution?

Apr. 14, 2014 Scientists have challenged a long held belief about the way certain species of vertebrates evolved. They found that genes evolve more rapidly in species containing germ plasm. The results came about ... full story

Computer Rendering: Graduate Student Brings Extinct Plants 'Back to Life'

Apr. 11, 2014 Most fossilized plants are fragments indistinguishable from a stick, but a graduate student hopes a new technique will allow paleontologists to more precisely identify these fossils. A graduate ... full story

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New Type of Barcode Could Make Counterfeiters' Lives More Difficult

Apr. 16, 2014 Counterfeiters, beware! Scientists are reporting the development of a new type of inexpensive barcode that, when added to documents or currency, could foil attempts at making forgeries. Although the ... full story

Using Video Surveillance to Measure Peoples' Hand Washing Habits

Apr. 16, 2014 Use of video surveillance to better understand essential hygiene behavior has been pioneered by researchers. Still, despite years of global public awareness campaigns, hand washing rates remain low. ... full story

Antibiotics Improve Growth in Children in Developing Countries

Apr. 15, 2014 Antibiotics improve growth in children at risk of undernourishment in low and middle income countries, according to researchers who have just conducted a research literature review on the subject. ... full story

People of Color Live in Neighborhoods With More Air Pollution Than Whites, Groundbreaking Study Shows

Apr. 15, 2014 A first-of-its-kind study has found that on average nationally, people of color are exposed to 38 percent higher levels of nitrogen dioxide outdoor air pollution compared to white people. The health ... full story

Mouse Model Would Have Predicted Toxicity of Drug That Killed 5 in 1993 Clinical Trial

Apr. 15, 2014 Over 20 years after the fatal fialuridine trial, a new study demonstrates that mice with humanized livers recapitulate the drug's toxicity. The work suggests that this mouse model should be added to ... full story

Thyroid Disease Risk Varies Among Blacks, Asians, Whites

Apr. 15, 2014 An analysis that included active military personnel finds that the rate of the thyroid disorder Graves disease is more common among blacks and Asian/Pacific Islanders compared with whites. The ... full story

Pre-Diabetes, Diabetes Nearly Double Over the Past Two Decades

Apr. 15, 2014 Cases of diabetes and pre-diabetes in the United States have nearly doubled since 1988, suggests new research, with obesity apparently to blame for the surge. The researchers also found that the ... full story

How Mothers Help Children Explore Right and Wrong

Apr. 15, 2014 Moms want their kids to grow up to be good people -- but how do they actually help their offspring sort out different types of moral issues? A new study shows many moms talk to their kids in ways ... full story

Sensitive Detection Method May Help Impede Illicit Nuclear Trafficking

Apr. 15, 2014 According to a new study, coupling commercially available spectral X-ray detectors with a specialized algorithm can improve the detection of uranium and plutonium in small, layered objects such as ... full story

European Climate at the 2 Degrees Celsius Global Warming Threshold

Apr. 15, 2014 A global warming of 2 degrees Celsius relative to pre-industrial climate has been considered as a threshold which society should endeavor to remain below, in order to limit the dangerous effects of ... full story

Cybersecurity Researchers Roll out a New Heartbleed Solution: Red Herring Creates Decoy Servers, Entraps, Monitors Hackers

Apr. 14, 2014 As companies scrambled in recent days to address the latest cybersecurity bug known as Heartbleed, researchers demonstrate a solution that fixes the vulnerability, and also detects and entraps ... full story

Tiny Particles Could Help Verify Goods

Apr. 13, 2014 Chemical engineers hope smartphone-readable microparticles could crack down on counterfeiting. Some 2 to 5 percent of all international trade involves counterfeit goods, according to a 2013 United ... full story

Should You Trust Your Financial Advisor? Pseudo-Mathematics and Financial Charlatanism

Apr. 10, 2014 Your financial advisor calls you up to suggest a new investment scheme. Drawing on 20 years of data, he has set his computer to work on this question: If you had invested according to this scheme in ... full story

UN Climate Report: Pricing of Carbon Dioxide Emissions Critical

Apr. 4, 2014 Despite climate change, most polluters still pay little or nothing when they release carbon dioxide into the atmosphere. A cost $0.15 US per kilo of carbon dioxide would be enough to solve the whole ... full story

Americans Using More Energy, According to New Analysis

Apr. 2, 2014 Americans used more renewable, fossil and even nuclear energy in 2013, according to the most recent energy flow charts. Wind energy continued to grow strongly, increasing 18 percent from 1.36 ... full story

Agroforestry Systems Can Repair Degraded Watersheds

Mar. 27, 2014 Agroforestry, combined with land and water management practices that increase agricultural productivity, can save watersheds from degradation. A study in the Gabayan watershed in eastern Bohol, ... full story

Smoke-Free Air Policies Seem to Protect the Heart

Mar. 27, 2014 Policies prohibiting tobacco smoking in workplaces and other public spaces may substantially improve public health by reducing heart disease and death, according to a new study on the impact of ... full story

Keeping Secrets in a World of Spies and Mistrust

Mar. 26, 2014 A new article reviews developments in quantum cryptography and describes how we can keep our secrets secret even when faced with the double challenge of mistrust and ... full story

Important and Complex Systems, from the Global Financial Market to Groups of Friends, May Be Highly Controllable

Mar. 20, 2014 Scientists have discovered that all complex systems, whether they are found in the body, in international finance, or in social situations, actually fall into just three basic categories, in terms of ... full story

A Majority Prefers Letting Computers Decide

Mar. 19, 2014 When individuals engage in risky business transactions with each other, they may end up being disappointed. This is why they'd rather leave the decision on how to divvy up jointly-owned monies to a ... full story

Teaching to Optimize Learning or Control Misbehavior? Scale of Disruptive Behavior in Schools Seriously Underestimated

Apr. 14, 2014 The true extent of poor pupil behavior in schools is seriously underestimated, according to an academic. The research raises the question of the extent to which there is a right to learn in ... full story

Procrastination and Impulsivity Genetically Linked: Exploring the Genetics of 'I'll Do It Tomorrow'

Apr. 7, 2014 Procrastination and impulsivity are genetically linked, suggesting that the two traits stem from similar evolutionary origins, according to new research. The research indicates that the traits are ... full story

U.S. School Children Exposed to Arsenic in Well Water Have Lower IQ Scores

Apr. 7, 2014 A study from three school districts in Maine exposed to arsenic in drinking water experienced declines in child intelligence. While earlier studies conducted by the researchers in South Asia, and ... full story

Limiting Screen Time Improves Sleep, Academics, Behavior, Study Finds

Mar. 31, 2014 Parents may not always see it, but efforts to limit their children’s screen time can make a difference. A new study found children get more sleep, do better in school and see other health benefits ... full story

Four in 10 Infants Lack Strong Parental Attachments

Mar. 27, 2014 In a study of 14,000 US children, 40 percent lack strong emotional bonds -- what psychologists call 'secure attachment' -- with their parents that are crucial to success later in life, according to a ... full story

Natural History Must Reclaim Its Place, Experts Say

Mar. 26, 2014 Scientists argue that the study of natural history has waned in recent decades in developed countries. Declining course requirements and support for herbaria are among the documented evidence. Yet ... full story

Secret to Cutting Sugary Drink Use by Teens Found by New Study

Mar. 26, 2014 A new study shows that teenagers can be persuaded to cut back on sugary soft drinks -- especially with a little help from their friends. A 30-day challenge encouraging teens to reduce sugar-sweetened ... full story

Life Lessons: Children Learn Aggressive Ways of Thinking and Behaving from Violent Video Games, Study Finds

Mar. 24, 2014 Children who repeatedly play violent video games are learning thought patterns that will stick with them and influence behaviors as they grow older, according to a new study. The effect is the same ... full story

Preterm Children at Increased Risk of Having Math Problems

Mar. 21, 2014 Preterm children are at an increased risk of having general cognitive and mathematic problems, research has concluded. "Teachers should be aware of these children's problems and need to work on ways ... full story

Genes Play Key Role in Parenting: Children Also Shape Parents' Behavior

Mar. 20, 2014 Scientists have presented the most conclusive evidence yet that genes play a significant role in parenting. The study sheds light on another misconception: that parenting is solely a top-down process ... full story

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