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Silk Structure Analysis Explains Paradox of Super-Strength; Could Lead to Even Stronger Synthetic Materials
Spiders and silkworms are masters
of materials science, but
scientists are finally catching
up. Silks are among the toughest
materials known, stronger and less
... > full story
- more on:
To Arctic Animals, Time of Day Really Doesn't Matter
In the far northern reaches of the
Arctic, day versus night often
doesn't mean a whole lot. During
parts of the year, the sun does
not set; at other times, it's just
the opposite. A new study shows
that Arctic reindeer have come up
... > full story
- more on:
Why Surprises Temporarily Blind Us
New research reveals for the first
time how our brains coordinate two
different types of attention and
why we may be temporarily blinded
by surprises. ... > full story
- more on:
Discovery of Cellular 'Switch' May Provide New Means of Triggering Cell Death, Treating Disease
Scientists have discovered a
previously unknown cellular
"switch" that may provide
researchers with a new means of
triggering programmed cell death,
... > full story
- more on:
Scientists Identify Driving Forces in Human Cell Division
Using a novel imaging system for
quantifying aspects of cell
division in three dimensions,
scientists have discovered new
interactions between sister
kinetochores -- the protein
... > full story
- more on:
Human Cells Exhibit Foraging Behavior Like Amoebae and Bacteria
When cells move about in the body,
they follow a complex pattern
similar to that which amoebae and
bacteria use when searching for
food, researchers have found. ... > full story
- more on:
Small Dogs Originated in the Middle East, Genetic Study Finds
A genetic study has found that
small domestic dogs probably
originated in the Middle East more
than 12,000 years ago. Researchers
have traced the evolutionary
history of the IGF1 gene, finding
... > full story
- more on:
Genome Analysis of Marine Microbe Reveals a Metabolic Minimalist
Flightless birds, blind cave
shrimp, and other oddities suggest
a "use it or lose it" tendency in
evolution. In the microbial world,
an unusual marine microorganism
appears to have ditched several
... > full story
- more on:
Fossil Bird Eggshell Provides Source of Ancient DNA
Scientists have successfully
isolated ancient DNA from fossil
eggshell remains of extinct birds
for the first time. ... > full story
- more on:
Biologists Find Proof of First Confirmed Species of Monogamous Frog
Amphibians may be a love 'em and
leave 'em class, but one frog
species defies the norm,
scientists have found. Biologists
have discovered in Peru the first
confirmed species of monogamous
... > full story
- more on:
Roll over headlines to view top news summaries:
- Silk Structure Study Explains Strength Paradox
- Arctic Animals: Time of Day Doesn't Matter
- Why Surprises Temporarily Blind Us
- Cellular Switch: New Way to Treat Disease?
- Driving Forces in Human Cell Division
- Human Cells 'forage' Like Amoebae, Bacteria
- Small Dogs Originated in Middle East
- Microbe Is a Metabolic Minimalist
- Ancient DNA from Fossil Bird Eggshell
- First Confirmed Species of Monogamous Frog
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5 am EDT Edition
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5 am EDT
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Caution Urged in Reducing Blood Pressure in Patients With Diabetes, Coronary Disease
March 15, 2010 — Systolic blood pressure levels between 130 and 140 appear to be the most healthful for patients with both diabetes and coronary artery disease, according to new ... > full story -
Forest Tree Species Diversity Depends on Individual Variation
March 15, 2010 — It's a paradox that's puzzled scientists for a half-century. Models clearly show that the coexistence of competing species depends on those species responding differently to the availability of ... > full story -
New Risk Score Tool More Accurately Predicts Patients' Risk for Cardiac Disease and Death, Study Finds
March 15, 2010 — By combining patients' Framingham Risk Score with new Intermountain Risk Score, researchers found that they were 30 percent more likely to correctly determine a woman's risk, and 57 percent more ... > full story -
Analytical Eye: Viewing Through the Data Jungle
March 15, 2010 — Unmanageable volumes of data accumulate in our digitized working world. Scientists are developing analytical techniques that make use of our ability to identify complex data relationships by means of ... > full story -
Hutterite Study: Vaccinating Children for Flu May Help Prevent Transmission, Protect Those Who Are Not Vaccinated
March 15, 2010 — Immunizing children and adolescents with inactivated influenza vaccine resulted in reduced rates of influenza in their community compared to a similar community in which children did not receive the ... > full story
2 am EDT
-
Intensive Blood Pressure, Combined Lipid Therapies Do Not Help Adults With Diabetes, Study Finds
March 15, 2010 — Lowering blood pressure to normal levels -- below currently recommended levels -- did not significantly reduce the combined risk of fatal or nonfatal cardiovascular disease events in adults with type ... > full story -
Can a Single Layer of Cells Control a Leaf's Size?
March 15, 2010 — Little is known about the developmental control of leaf size and shape, and understanding the mechanisms behind this is a major issue in plant biology. New research concludes that communication ... > full story -
Kidney Disease
Chronic Illness
Diseases and Conditions
Today's Healthcare
Staying Healthy
Infant's HealthDonating Kidney Does Not Appear to Significantly Increase Long-Term Risk of Death
March 15, 2010 — An analysis of outcomes for live kidney donors in the US over a 15 year period finds they have similar long-term survival rates compared to healthy individuals who were not kidney donors, according ... > full story -
Fishery Management Practices for Beluga Sturgeon Must Change, Experts Urge
March 15, 2010 — A first-of-its-kind study of a Caspian Sea beluga sturgeon (Huso huso) fishery demonstrates current harvest rates are four to five times higher than those that would sustain population abundance. The ... > full story -
Psychiatry
Mental Health
Mental Health Research
Disorders and Syndromes
Depression
Diseases and ConditionsOne-Page Questionnaire Is Effective Screening Tool for Common Psychiatric Disorders
March 15, 2010 — A one-page, 27-item questionnaire that is available free online is a valid and effective tool to help primary care doctors screen patients for four common psychiatric illnesses, a new study ... > full story
11 pm EDT
-
Stem Cell Research Shows Promise for Tissue-Engineered Vascular Grafts
March 14, 2010 — Researchers are the first to fully characterize a special type of stem cell, endothelial progenitor cells (EPCs) that exist in circulating blood, to see if they can behave as endothelial cells in the ... > full story -
Mars Constantly Loses Part of Its Atmosphere to Space Due to Solar Wind
March 14, 2010 — Space physicists have identified the impact of the Sun on Mars' atmosphere. The scientists report that Mars is constantly losing part of its atmosphere to space. The new study shows that pressure ... > full story -
A Sporting Chance for Active Total Knee Replacement Patients
March 14, 2010 — Total knee arthroplasty patients may be able to participate in high-impact sports without increasing risk of early implant failure, according to a new ... > full story -
'World's Most Useful Tree' Provides New Low-Cost Water Purification Method for Developing World
March 14, 2010 — A low-cost water purification technique could help drastically reduce the incidence of waterborne disease in the developing world. The procedure, which uses seeds from the Moringa oleifera tree, can ... > full story -
Different Fat Types Can Help or Hinder Obese Girls' Bone Health
March 14, 2010 — Obese teenage girls with a greater ratio of visceral fat (fat around internal organs) to subcutaneous fat (fat found just beneath the skin) are likely to have lower bone density than peers with a ... > full story
8 pm EDT
-
Designer Nano Luggage to Carry Drugs to Diseased Cells
March 14, 2010 — Scientists have succeeded in growing empty particles derived from a plant virus and have made them carry useful chemicals. The external surface of these nano containers could be decorated with ... > full story -
Quantum Dots Spotlight DNA-Repair Proteins in Motion
March 14, 2010 — Repair proteins appear to efficiently scan the genome for errors by jumping like fleas between DNA molecules, sliding along the strands, and perhaps pausing at suspicious spots, say researchers who ... > full story -
New Tool for Operations on People With Severe or Profound Auditory Loss
March 14, 2010 — Engineers and doctors have designed a new tool for operating on the inner ear with maximum precision, reducing the possibility of damage to the auditory function during the surgery. This is the first ... > full story -
Scientists Identify Key Protein from Mitochondria in Energy Regulation
March 14, 2010 — Scientists have discovered a new mechanism that governs this pathway and in the process identified a novel potential therapeutic target for controlling fat ... > full story -
African-Americans Have Highest Stroke Rate, Southerners More Likely to Die, Study Finds
March 14, 2010 — African-Americans age 65 and younger are more than twice as likely to have a stroke compared with Caucasians in any region, and people who have a stroke are more likely to die in the South than ... > full story
5 pm EDT
-
Effort Aims to Spike Breast Cancer With New Approach
March 14, 2010 — Many women live with breast cancer that does not respond to standard medical treatment, a condition that researchers want to change by aggressively targeting specific ... > full story -
Compliant Systems: Flexible Yet Strong Materials Allow Aircraft Wings to Flex With Air Flow
March 14, 2010 — Researchers once wanted to build aircraft wings based on compliant systems, which would continually change shape in response to the air flow resistance, obviating the need for rigid flap and rudder ... > full story -
New Clues About the Basis of Muscle Wasting Disease
March 14, 2010 — New findings shed light on how genetic damage to muscle cell proteins can lead to the development of the rare muscle-wasting disease, nemaline ... > full story -
Barrier in Mosquito Midgut Protects Invading Pathogens
March 14, 2010 — Scientists studying the Anopheles gambiae mosquito have found that the act of feeding triggers two enzymes to form a protective barrier that prevents the mosquito's immune defense system from ... > full story -
12 Year Olds More Likely to Use Potentially Deadly Inhalants Than Cigarettes or Marijuana
March 14, 2010 — More 12 year olds have used potentially lethal inhalants than have used marijuana, cocaine and hallucinogens combined, according to new ... > full story
2 pm EDT
-
New Insight Into Brain's Decision-Making Process
March 13, 2010 — The hippocampus, a part of the brain essential for memory, has long been known to "replay" recently experienced events. Previously, replay was believed to be a simple process of reviewing recent ... > full story -
Mars Dunes: On the Move?
March 13, 2010 — New studies of ripples and dunes shaped by the winds on Mars testify to variability on that planet, identifying at least one place where ripples are actively migrating and another where the ripples ... > full story -
Effects of Lifestyle and Exposures Are Mirrored in Blood Gene Expression
March 13, 2010 — A study by Norwegian and French researchers hopes to provide new understanding of how blood cells adjust gene expression in response to various clinical, biochemical and pathological conditions. The ... > full story -
Prehistoric Response to Global Warming Informs Human Planning Today
March 13, 2010 — Since 2004, University at Buffalo anthropologist Ezra Zubrow has worked intensively with teams of scientists in the Arctic regions of St. James Bay, Quebec, northern Finland and Kamchatka to ... > full story -
Brain Tumor's 'Grow-or-Go' Switch Discovered
March 13, 2010 — High energy levels cause glioblastoma cells to proliferate; low levels cause them to grow less and to migrate. This study discovered that a molecule called miR-451 coordinates this grow-or-go ... > full story
11 am EDT
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Exploiting the Architecture of Cancers May Lead to Their Destruction
March 13, 2010 — To grow larger, solid tumors require a network of blood vessels to nourish them. Chemotherapy exploits these vessels to deliver toxic drugs, but is inefficient if the drugs cannot pass quickly enough ... > full story -
Plants Discover the Benefits of Good Neighbors in Strategy Against Herbivores
March 13, 2010 — Scandinavian scientists have discovered that a species of tree defends itself from herbivore attack by using chemicals emitted by neighboring plants. The study reveals how species of Birch tree ... > full story -
Epilepsy Research
Epilepsy
Children's Health
Child Development
Child Psychology
Attention Deficit DisorderBest Treatment for Childhood Epilepsy Suggested by New Research
March 13, 2010 — One of the oldest available anti-seizure medications, ethosuximide, is the most effective treatment for childhood absence epilepsy, according to initial ... > full story -
Calculations Made by Physicist Gustav Mie in 1908 Put to Test on Single Nanoparticles
March 13, 2010 — Rice students put calculations by German physicist Gustav Mie, made in 1908, to the test when they decided to look at the optical properties of single ... > full story -
Different Signal Paths for Spontaneous and Deliberate Activation of Memories
March 13, 2010 — Entirely different signal paths and parts of the brain are involved when you try to remember something and when you just happen to remember something, prompted by a smell, a picture, or a word, for ... > full story
8 am EDT
-
Breakthroughs in Treatment of Spine and Back Conditions
March 13, 2010 — Approximately 21 million visits were made to physicians' offices due to back problems in 2006. While countless adults experience back pain and stiffness, many suffer from serious spine and back ... > full story -
Genetic Mapping of Algae Biofuel Species Groundwork Done
March 13, 2010 — Using green algae to produce hydrocarbon oil for biofuel production is nothing new; nature has been doing so for hundreds of millions of years, according a ... > full story -
Knee Replacement in Elderly Patients Shown to Improve Balance
March 13, 2010 — Total knee replacement (TKR) successfully relieves pain and improves function in patients with advanced knee arthritis, according to a new ... > full story -
PEGylated Dendrimers: A Novel Mechanism of Drug Delivery
March 13, 2010 — A research team has shown how PEGylated polylysine dendrimers, a new type of nano-sized drug delivery system, can be altered to target either the lymphatic system or the bloodstream, which may ... > full story -
Communication Often Fumbled During Patient Hand-Offs in Hospital
March 13, 2010 — As shifts change in a hospital, outgoing physicians must "hand off" important information to their replacements in a brief meeting. But a new study of this hand-off process finds that the most ... > full story
- View all the latest headlines and summaries, or browse by topic below:
Health & Biomedical Sciences
Health & Medicine
Intensive Blood Pressure, Combined Lipid Therapies Do Not Help Adults With Diabetes, Study Finds
Lowering blood pressure to normal levels -- below currently recommended levels -- did not significantly reduce the combined risk of fatal or nonfatal cardiovascular disease events in adults with type ... > full story
Mind & Brain
One-Page Questionnaire Is Effective Screening Tool for Common Psychiatric Disorders
A one-page, 27-item questionnaire that is available free online is a valid and effective tool to help primary care doctors screen patients for four common psychiatric illnesses, a new study ... > full story
Living Well
High-Intensity Interval Training Is Time-Efficient and Effective, Study Suggests
The usual excuse of "lack of time" for not doing enough exercise is blown away by new research. The study adds to the growing evidence for the benefits of short term high-intensity interval training ... > full story
- After a Fight With a Partner, Brain Activity Predicts Emotional Resiliency
- Men, Not Ladies, First: We're Still Sexist in Writing
- Students' Perceptions of Earth's Age Influence Acceptance of Human Evolution
- Game On? Video-Game Ownership May Interfere With Young Boys' Academic Functioning
- more stories
Biological & Earth Sciences
Plants & Animals
Scientists Identify Key Protein from Mitochondria in Energy Regulation
Scientists have discovered a new mechanism that governs this pathway and in the process identified a novel potential therapeutic target for controlling fat ... > full story
Earth & Climate
Can a Single Layer of Cells Control a Leaf's Size?
Little is known about the developmental control of leaf size and shape, and understanding the mechanisms behind this is a major issue in plant biology. New research concludes that communication ... > full story
Fossils & Ruins
Prehistoric Response to Global Warming Informs Human Planning Today
Since 2004, University at Buffalo anthropologist Ezra Zubrow has worked intensively with teams of scientists in the Arctic regions of St. James Bay, Quebec, northern Finland and Kamchatka to ... > full story
Physical & Applied Sciences
Space & Time
Mars Constantly Loses Part of Its Atmosphere to Space Due to Solar Wind
Space physicists have identified the impact of the Sun on Mars' atmosphere. The scientists report that Mars is constantly losing part of its atmosphere to space. The new study shows that pressure ... > full story
Matter & Energy
Designer Nano Luggage to Carry Drugs to Diseased Cells
Scientists have succeeded in growing empty particles derived from a plant virus and have made them carry useful chemicals. The external surface of these nano containers could be decorated with ... > full story
Computers & Math
Calculations Made by Physicist Gustav Mie in 1908 Put to Test on Single Nanoparticles
Rice students put calculations by German physicist Gustav Mie, made in 1908, to the test when they decided to look at the optical properties of single ... > full story
- High-Tech Armrest: Computer-Controlled Hand and Arm Support Devise Developed for Doctors, Artists
- Research Streamlines Data Processing to Solve Problems More Efficiently
- Computer System Helps Reduce Adverse Drug Side Effects and Interactions in ICU Patients
- Physicists Take Atoms for a Quantum Walk
- more stories
