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Clouds in the Head: New Model of Brain's Thought Processes
A new model of the brain's thought processes explains the apparently chaotic activity patterns of individual neurons. They do not correspond to a simple stimulus/response linkage, but arise ...full story -
Engineers Devise New Way to Produce Clean Hydrogen
Engineers have developed a novel method for producing clean hydrogen, which could prove essential to weaning society off of fossil fuels and their environmental ...full story -
Allosaurus Fed More Like a Falcon Than a Crocodile: Engineering, Anatomy Work Reveals Differences in Dinosaur Feeding Styles
The mighty T. rex may have thrashed its massive head from side to side to dismember prey, but a new study shows that its smaller cousin Allosaurus was a more dexterous hunter and tugged at ...full story -
Small but Speedy: Short Plants Live in the Evolutionary Fast Lane
Biologists have known for a long time that some creatures evolve more quickly than others. Exactly why isn't well understood, particularly for plants. But it may be that height plays a ...full story -
Origins of Human Culture Linked to Rapid Climate Change
Rapid climate change during the Middle Stone Age, between 80,000 and 40,000 years ago, sparked surges in cultural innovation in early modern human populations, according to new ...full story -
Fourteen Closely Related Crocodiles Existed Around 5 Million Years Ago
Today, the most diverse species of crocodile are found in northern South America and Southeast Asia: As many as six species of alligator and four true crocodiles exist, although no more ...full story -
Molecular Trigger for Alzheimer's Disease Identified
Researchers have pinpointed a catalytic trigger for the onset of Alzheimer's disease -- when the fundamental structure of a protein molecule changes to cause a chain reaction that leads to ...full story -
Non-Wetting Fabric That Drains Sweat Invented
Waterproof fabrics that whisk away sweat could be the latest application of microfluidic technology developed by ...full story -
The Mammoth's Lament: How Cosmic Impact Sparked Devastating Climate Change
Researchers have found evidence of a major cosmic event near the end of the Ice Age. The ensuing climate change forced many species to adapt or ...full story -
Do Salamanders' Immune Systems Hold the Key to Regeneration?
Salamanders' immune systems are key to their remarkable ability to regrow limbs, and could also underpin their ability to regenerate spinal cords, brain tissue and even parts of their ...full story
- New Model of Brain's Thought Processes
- New Method for Producing Clean Hydrogen
- Allosaurus Fed More Like Falcon Than Crocodile
- Shorter Plants Have Faster-Changing Genomes
- Human Culture Linked to Rapid Climate Change
- 14 Related Crocodiles 5 Million Years Ago
- Molecular Trigger for Alzheimer's Disease ID'd
- Non-Wetting Fabric That Drains Sweat Invented
- How Cosmic Impact Sparked Climate Change
- Salamander Immune System: Key to Regeneration?
Polymer Breakthrough Inspired by Trees and Ancient Celtic Knots
A new slow-motion method of
controlling the synthesis of
polymers, which takes inspiration
from both trees and Celtic knots,
opens up new possibilities in
areas including medical devices,
drug delivery, elastics and
... > full story
- more on:
Bee and Wild Flower Biodiversity Loss Slows
Declines in the biodiversity of
pollinating insects and wild
plants have slowed in recent
years, according to a new study.
Researchers found evidence of
dramatic reductions in the
diversity of species in Britain,
Belgium and the Netherlands
... > full story
- more on:
Drought Makes Borneo's Trees Flower at the Same Time
Tropical plants flower at
supra-annual irregular intervals.
In addition, mass flowering is
typical for the tropical forests
in Borneo and elsewhere, where
hundreds of different plant timber
species from the Dipterocarpaceae
family flower synchronously. This
... > full story
- more on:
Phthalates -- Chemicals Widely Found in Plastics and Processed Food -- Linked to Elevated Blood Pressure in Children and Teens
Plastic additives known as
phthalates are odorless, colorless
and just about everywhere: They
turn up in flooring, plastic cups,
beach balls, plastic wrap,
intravenous tubing and the bodies
... > full story
- more on:
Lost in Translocation? How Bird Song Could Help Save Species
Translocation -- or moving animals
to safer places -- is a vital tool
for saving species from
extinction. Many factors influence
the success of these new
populations, including habitat
quality, predators, capture and
... > full story
- more on:
Study Reveals How Fishing Gear Can Cause Slow Death of Whales
Using a "patient monitoring"
device attached to a whale
entangled in fishing gear,
scientists showed for the first
time how fishing lines changed a
whale's diving and swimming
behavior. The monitoring revealed
... > full story
- more on:
Bird's Playlist Could Signal Mental Strengths and Weaknesses
Having the biggest playlist
doesn't make a male songbird the
brainiest of the bunch, a new
study shows. In a series of
problem-solving tests with the
birds, researchers found that the
male song sparrows that sang the
... > full story
- more on:
Better Understanding of Water's Freezing Behavior at Nanoscale
The results of a new study provide
direct computational evidence that
nucleation of ice in small
droplets is strongly
size-dependent, an important
conclusion in understanding
water's behavior at the nanoscale. ... > full story
- more on:
Vitamin C Can Kill Drug-Resistant TB, Researchers Find
In a striking, unexpected
discovery, researchers have
determined that vitamin C kills
drug-resistant tuberculosis (TB)
bacteria in laboratory culture.
The finding suggests that vitamin
C added to existing TB drugs could
... > full story
- more on:
Drawing Closer to Alzheimer’s Magic Bullet? Drugs Found to Both Prevent and Treat Alzheimer's Disease in Mice
Imagine a pharmaceutical
prevention, treatment or even cure
for Alzheimer's disease. It is
almost impossible to overstate how
monumental a development that
would be and how it would answer
... > full story
- more on:
Aggressive Behavior Linked Specifically to Secondhand Smoke Exposure in Childhood
Children who are exposed to
secondhand smoke in early
childhood are more likely to grow
up to physically aggressive and
antisocial, regardless of whether
they were exposed during pregnancy
or their parents have a history of
... > full story
- more on:
Low Population Immunity to New Bird Flu Virus H7N9 in Humans
The level of immunity to the
recently circulating H7N9
influenza virus in an urban and
rural population in Vietnam is
very low, according to the first
population level study to examine
human immunity to the virus, which
... > full story
- more on:
- Polymer Breakthrough Inspired by Celtic Knots
- Bee and Wild Flower Biodiversity Loss Slows
- Drought Makes Borneo's Trees Flower at Once
- Phthalates Linked to Elevated Blood Pressure
- How Bird Song Could Help Save Species
- How Fishing Gear Causes Slow Death of Whales
- Bird's Playlist Could Signal Mental Strengths
- Better Understanding of Water's Freezing
- Vitamin C Can Kill Drug-Resistant TB
- Drugs Found to Prevent and Treat Alzheimer's
- Aggressive Kids: Secondhand Smoke to Blame?
- Low Immunity Found to New Bird Flu, H7N9
- more top science stories
Top Medical News
Inexpensive, Accurate Way to Detect Prostate Cancer: At-Home Urine Tests
Early screening for prostate cancer could become as easy for men as personal pregnancy testing is for women, thanks to new ... > full story
Top Technology News
Whirlpools on the Nanoscale Could Multiply Magnetic Memory
Scientists are developing four-bit magnetic cells instead of the two-bit magnetic domains of standard magnetic memories. Magnetic vortices are whirlpools of magnetic field, in which electron spins point either clockwise or counterclockwise. In the ... > full story
- Unique Method Creates Correct Mirror Image of Molecule
- Big Data, for Better or Worse: 90% of World's Data Generated Over Last Two Years
- Bacterial Spare Parts Filter Antibiotic Residue from Groundwater
- Observations of Stellar Visibility by Citizen Scientists Accurately Measure the Brightness of the Night Sky
- more top technology stories
Top Environment News
Life Scientists Present New Insights on Climate Change and Species Interactions
Life scientists provide important new details on how climate change will affect interactions between species in newly published research. This knowledge, they say, is critical to making accurate predictions and informing policymakers of how species ... > full story
- Two Miniature Spider Species Discovered in Giant Panda Sanctuaries of China
- New Archaeological 'High Definition' Sourcing Sharpens Understanding of the Past
- Mechanism Discovered Which Aids Legionella to Camouflage Itself in the Organism
- The Pirate Ant: A New Species from the Philippines With a Bizarre Pigmentation Pattern
- more top environment stories
More Science Headlines
Updated 45 minutes ago | Next update in 2 hours 15 minutes
11 am EDT Edition
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11 am EDT
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Oral Vaccine Against Diarrhea Promising
May 22, 2013 — Medical researchers have announced promising results in a placebo controlled phase I study of an oral, inactivated Escherichia coli diarrhea ... > full story -
Important Genetic Factors That Could Influence Survival in Sepsis Patients
May 22, 2013 — Scientists have made an important first step in establishing new therapeutic options targeting specific genetic areas that influence the occurrence and severity of sepsis – a life-threatening, whole-body response to ... > full story -
Common Brain Processes of Anesthetic-Induced Unconsciousness Identified
May 22, 2013 — Feedback from the front region of the brain is a crucial building block for consciousness and that its disruption is associated with ... > full story -
Dietary Advice on Added Sugar Is Damaging Our Health, Warns Heart Expert
May 21, 2013 — Dietary advice on added sugar is damaging our health, warns a cardiologist. He believes that "not only has this advice been manipulated by the food industry for profit but it is actually a risk factor for obesity and diet related ... > full story -
Mental Health; Mental Health Research; Chronic Illness; Healthy Aging; Diseases and Conditions; Depression;
Life Expectancy Gap Widens Between Those With Mental Illness and General Population
May 21, 2013 — The gap between life expectancy in patients with a mental illness and the general population has widened since 1985 and efforts to reduce this gap should focus on improving physical health, suggest new ... > full story
8 am EDT
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Small Cancer Risk Following CT Scans in Childhood and Adolescence Confirmed
May 21, 2013 — Young people who undergo CT scans are 24 percent more likely to develop cancer compared with those who do not, a study published today on bmj.com suggests. However the absolute excess for all cancers combined was low, at 9.38 for every 100,000 ... > full story -
Heart Disease; Stroke Prevention; Mental Health; Mental Health Research; Chronic Illness; Depression;
Antidepressant Reduces Stress-Induced Heart Condition
May 21, 2013 — A drug commonly used to treat depression and anxiety may improve a stress-related heart condition in people with stable coronary heart disease, according to researchers at Duke ... > full story -
Empathy Plays a Key Role in Moral Judgments
May 22, 2013 — Utilitarian judgment may arise not simply from enhanced cognitive control but also from diminished emotional processing and reduced empathy, according to new ... > full story -
Gastrointestinal Problems; Colitis; Crohn's Disease; Diseases and Conditions; Today's Healthcare; Immune System;
Biomarkers Discovered for Inflammatory Bowel Disease
May 21, 2013 — Researchers have identified a number of biomarkers for inflammatory bowel disease, which could help with earlier diagnosis and intervention in those who have not yet shown ... > full story -
Changing Cancer's Environment to Halt Its Spread
May 21, 2013 — By studying the roles two proteins, thrombospondin-1 and prosaposin, play in discouraging cancer metastasis, scientists have identified a five-amino acid fragment of prosaposin that significantly reduces metastatic spread in mouse models of ... > full story
5 am EDT
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Minus Environment, Patterns Still Emerge: Computational Study Tracks E. Coli Cells' Regulatory Mechanisms
May 21, 2013 — Random mutations and genetic drift, rather than design principles, may explain the emergence of regulatory network properties in E. ... > full story -
H. Pylori, Smoking Trends, and Gastric Cancer in US Men
May 21, 2013 — Trends in Helicobacter pylori and smoking explain a significant proportion of the decline of intestinal-type noncardia gastric adenocarcinoma incidence in US men between 1978 and 2008, and are estimated to continue to contribute to further declines ... > full story -
Reducing Caloric Intake Delays Nerve Cell Loss
May 21, 2013 — Activating an enzyme known to play a role in the anti-aging benefits of calorie restriction delays the loss of brain cells and preserves cognitive function in mice, according to a new study. The findings could one day guide researchers to discover ... > full story -
Keeping Stem Cells Strong: RNA Molecule Protects Stem Cells During Inflammation
May 21, 2013 — A team of researchers led by biologists at the California Institute of Technology has found that, in mouse models, the molecule microRNA-146a acts as a critical regulator and protector of blood-forming stem cells (called hematopoietic stem cells, or ... > full story -
Climate Change and Wildfire
May 21, 2013 — Concerns continue to grow about the effects of climate change on fire. Wildfires are expected to increase 50 percent across the United States under a changing climate, over 100 percent in areas of the West by 2050 as projected by some studies. Of ... > full story
2 am EDT
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Ethicists' Behavior Not More Moral
May 21, 2013 — Do ethicists engage in better moral behavior than other professors? The answer is no. Nor are they more likely than nonethicists to act according to values they ... > full story -
Today's Healthcare; Healthy Aging; Personalized Medicine; Alternative Medicine; Wounds and Healing; Diseases and Conditions;
Decisions to Forgo Life Support May Depend Heavily on the Icu Where Patients Are Treated
May 21, 2013 — The decision to limit life support in patients in the intensive care unit (ICU) appears to be significantly influenced by physician practices and/or the culture of the hospital, suggests new ... > full story -
Low Radiation Scans Help Identify Cancer in Earliest Stages
May 21, 2013 — A study of veterans at high risk for developing lung cancer shows that low-dose computed tomography (LDCT) can be highly effective in helping clinicians spot tiny lung nodules which, in a small number of patients, may indicate the earliest stages of ... > full story -
Waiting for a Sign? Researchers Find Potential Brain 'Switch' for New Behavior
May 21, 2013 — You're standing near an airport luggage carousel and your bag emerges on the conveyor belt, prompting you to spring into action. How does your brain make the shift from passively waiting to taking action when your bag ... > full story -
Insight Into the Dazzling Impact of Insulin in Cells
May 21, 2013 — Australian scientists have charted the path of insulin action in cells in precise detail like never before. This provides a comprehensive blueprint for understanding what goes wrong in ... > full story
11 pm EDT
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Doctors Prescribe More Analgesics to Women Than to Men Just for Being Female, Spanish Study Shows
May 21, 2013 — Regardless of pain, social class or age, a woman is more likely to be prescribed pain-relieving drugs. A new study affirms that this phenomenon is influenced by socioeconomic inequality between ... > full story -
New Tumor-Killer Shows Great Promise in Suppressing Cancers
May 21, 2013 — Scientists have bioengineered a novel molecule which has been proven to successfully kill tumor ... > full story -
New Factor to Control Oncogene-Induced Senescence Discovered
May 21, 2013 — A new article describes the major role that Pyruvate dehydrogenase (PDH) —- an enzyme of cellular energy metabolism -— plays in the regulation of the cellular senescence induced by the oncogene BRAF, which usually appears mutated in ... > full story -
Cancer and Birth Defects in Iraq: The Nuclear Legacy
May 21, 2013 — Ten years after the Iraq war of 2003 a team of scientists based in Mosul, northern Iraq, have detected high levels of uranium contamination in soil samples at three sites in the province of Nineveh which, coupled with dramatically increasing rates ... > full story -
Over 80% of Dogs Suffer from Hypothermia After Surgery With Anesthetic
May 21, 2013 — Veterinarians have completed the first global study that clinically documents the prevalence of hypothermia in dogs after surgery and after diagnostic tests that require anesthetic. The 83.6% of the 1,525 dogs studied presented this complication, ... > full story
8 pm EDT
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Genetic Predictors of Postpartum Depression Uncovered
May 21, 2013 — Researchers say they have discovered specific chemical alterations in two genes that, when present during pregnancy, reliably predict whether a woman will develop postpartum ... > full story -
Monoclonal Antibody Appears Effective and Safe in Asthma Phase IIa Trial
May 21, 2013 — A novel approach to obstructing the runaway inflammatory response implicated in some types of asthma has shown promise in a Phase IIa clinical trial, according to U. S. ... > full story -
Asthma; Educational Psychology; Child Psychology; Child Development; Sleep Disorders; Sleep Disorder Research;
Asthma Symptoms Impair Sleep Quality and School Performance in Children
May 21, 2013 — The negative effects of poorly controlled asthma symptoms on sleep quality and academic performance in urban schoolchildren has been confirmed in a new ... > full story -
Genetic Risk for Obesity Found in Many Mexican Young Adults
May 21, 2013 — As many as 35 percent of Mexican young adults may have a genetic predisposition for obesity, said a University of Illinois scientist who conducted a study at the Universidad Autónoma de San Luis ... > full story -
Scientists Uncover How Grapefruits Provide a Secret Weapon in Medical Drug Delivery
May 21, 2013 — Researchers have uncovered how to create nanoparticles using natural lipids derived from grapefruit, and have discovered how to use them as drug delivery ... > full story
5 pm EDT
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New Method for Tailoring Optical Processors
May 21, 2013 — Physicists and engineers have unveiled a robust new method for arranging metal nanoparticles in geometric patterns that can act as optical processors that transform incoming light signals into output of a different ... > full story -
Pharmacology; Heart Disease; Stroke Prevention; HIV and AIDS; Personalized Medicine; Controlled Substances;
Evaluating a New Way to Open Clogged Arteries
May 21, 2013 — A new study analyzes the potential usefulness of a new treatment that combines the benefits of angioplasty balloons and drug-releasing stents, but may pose fewer ... > full story -
Brain Tumor; Nervous System; Brain Injury; Diseases and Conditions; Neuroscience; Disorders and Syndromes;
Common Food Supplement Fights Degenerative Brain Disorders, Study Suggests
May 21, 2013 — Widely available in pharmacies and health stores, phosphatidylserine is a natural food supplement produced from beef, oysters, and soy. Now scientists have discovered that the supplement improves the functioning of genes involved in degenerative ... > full story -
Eye Care; Obesity; Diseases and Conditions; Today's Healthcare; Pharmacology; Personalized Medicine;
Glaucoma Drug Can Cause Droopy Eyelids
May 21, 2013 — Prostaglandin analogues (PGAs) are often the first line of treatment for people with glaucoma. PGAs have long been associated with blurred vision, dryness, changes in eye color and other side effects. Now a new study has found that these drugs also ... > full story -
Single-Cell Transfection Tool Enables Added Control for Biological Studies
May 21, 2013 — Researchers have developed a novel tool for single-cell transfection, in which they deliver molecules into targeted cells through temporary nanopores in the cell membrane created by a localized electric ... > full story
2 pm EDT
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Brain Tumor; Nervous System; Brain Injury; Parkinson's; Parkinson's Research; Disorders and Syndromes;
Finding a Family for a Pair of Orphan Receptors in the Brain
May 21, 2013 — Researchers have identified a protein that stimulates a pair of "orphan receptors" found in the brain, solving a long-standing biological puzzle and possibly leading to future treatments for neurological ... > full story -
NASA Launching Experiment to Examine the Beginnings of the Universe
May 21, 2013 — When did the first stars and galaxies form in the universe? How brightly did they burn their nuclear fuel? Scientists will seek to gain answers to these questions with the launch of the Cosmic Infrared Background ExpeRIment (CIBER) on a Black Brant ... > full story -
Radioactive Nanoparticles Target Cancer Cells
May 21, 2013 — Researchers have found a way to create radioactive nanoparticles that target lymphoma tumor cells wherever they may be in the ... > full story -
Poliovirus Vaccine Trial Shows Early Promise for Recurrent Glioblastoma
May 21, 2013 — An attack on glioblastoma brain tumor cells that uses a modified poliovirus is showing encouraging results in an early study to establish the proper dose ... > full story -
NASA Builds Unusual Testbed for Analyzing X-Ray Navigation Technologies
May 20, 2013 — Pulsars have a number of unusual qualities. Like zombies, they shine even though they're technically dead, and they rotate rapidly, emitting powerful and regular beams of radiation that are seen as flashes of light, blinking on and off at intervals ... > full story
Health & Biomedical Sciences
Health & Medicine
New Source of Kidneys for Transplant Suggested
Nearly 20 percent of kidneys that are recovered from deceased donors in the U.S. are refused for transplant due to factors ranging from scarring in small blood vessels of the kidney’s filtering units to the organ going too long without blood ... > full story
Mind & Brain
Why the Super Bowl's Location Matters: Local Ties Still Bind Corporations
If you're a small charity looking for some corporate largesse, pegging your ask to a big morale-boosting event planned for your community may help seal the deal, suggests a new study on corporate ... > full story
Living Well
How to Best Manage Workaholics: New Study Offers Insight
Workaholics tend to live in extremes, with great job satisfaction and creativity on the one hand and high levels of frustration and exhaustion on the other hand. Now, a new study offers managers practical ways to help these employees stay healthy ... > full story
Biological & Earth Sciences
Plants & Animals
Resistance to Last-Line Antibiotic Makes Bacteria Resistant to Immune System
Bacteria resistant to the antibiotic colistin are also commonly resistant to antimicrobial substances made by the human body, according to a new study. Cross-resistance to colistin and host antimicrobials LL-37 and lysozyme, which help defend the ... > full story
Earth & Climate
Geochemist Aids Development of Geologic Time Scale for Study of Earth's History
The Geologic Time Scale 2012, or GTS2012, is the latest understanding of Earth's history, and the means by which geoscientists around the world investigate the rock ... > full story
Fossils & Ruins
'Whodunnit' of Irish Potato Famine Solved
An international team of scientists reveals that a unique strain of potato blight they call HERB-1 triggered the Irish potato famine of the mid-19th ... > full story
Physical & Applied Sciences
Space & Time
NASA’s BARREL Mission Launches 20 Balloons
In Antarctica in January, 2013 -- the summer at the South Pole -- scientists released 20 balloons, each eight stories tall, into the air to help answer an enduring space weather question: when the giant radiation belts surrounding Earth lose ... > full story
Matter & Energy
Top-Class Biofuel from the Depths of the Forest
Tops and branches from tree-felling sites are reborn in the laboratory as compact pellets. However, the energy industry will not act until the price is ... > full story
Computers & Math
A Tiny Programmable Fly's Eye
A novel curved artificial compound eye (CurvACE) has been created. Compared to single-lens eyes, compound eyes offer lower resolution, but significantly larger fields of view, thin package, and with negligible ... > full story
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