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First Black Holes May Have Incubated in Giant, Starlike Cocoons
The first large black holes in the
universe likely formed and grew
deep inside gigantic, starlike
cocoons that smothered their
powerful X-ray radiation and
prevented surrounding gases from
... > full story
- more on:
Hydrogen-Economy on the Way? New Hydrogen-Storage Method Discovered
Scientists have found for the
first time that high pressure can
be used to make a unique
hydrogen-storage material. The
discovery paves the way for a new
approach to the hydrogen-storage
... > full story
- more on:
Violent World of Raptors Explored
A journey that started with a box
of bird feet carried three
graduate students into the
gruesome world of raptors.
Normally focused on dinosaurs, the
students compared the claws and
killing methods of four types of
... > full story
- more on:
Alzheimer's: Destructive Amyloid-Beta Protein May Also Be Essential for Normal Brain Function
Scientists have found that the
amyloid-beta protein, currently
the target of Alzheimer's drug
research, is essential for normal
information transfer through nerve
... > full story
- more on:
Warmer Means Windier on Lake Superior, World's Biggest Freshwater Lake
Rising water temperatures are
kicking up more powerful winds on
Lake Superior, with consequences
for currents, biological cycles,
pollution and more on the world's
largest lake and its smaller
... > full story
- more on:
Ants Use Bacteria to Make Their Gardens Grow
Leaf-cutter ants, which cultivate
fungus for food, have many
remarkable qualities. Here's a new
one to add to the list: the ant
farmers, like their human
counterparts, depend on
nitrogen-fixing bacteria to make
... > full story
- more on:
To the Bat Cave: Researchers Reconstruct Evolution of Bat Migration With Aid of Mathematical Model
Not just birds, but also a few
species of bats face a long
journey every year. Researchers
have studied the migratory
behavior of the largest extant
... > full story
- more on:
Dramatic Decline Found in Siberian Tigers
The last remaining population of
Siberian tigers has likely
declined significantly due to the
rising tide of poaching and
habitat loss, according to a new
report ... > full story
- more on:
Killer Fungus Threatening Amphibians
Amphibians like frogs and toads
have existed for 360 million years
and survived when the dinosaurs
didn't, but a new aquatic fungus
is threatening to make many of
them extinct, according to a new
article. ... > full story
- more on:
Spitzer Telescope Observes Baby Brown Dwarf
NASA's Spitzer Space Telescope has
contributed to the discovery of
the youngest brown dwarf ever
observed -- a finding that, if
confirmed, may solve an
astronomical mystery about how
these cosmic misfits are formed. ... > full story
- more on:
Roll over headlines to view top news summaries:
- First Black Holes from Starlike Cocoons?
- New Hydrogen-Storage Method Discovered
- Violent World of Raptors Explored
- Alzheimer's-Linked Protein Essential for Brain?
- Warmer Means Windier on World's Biggest Lake
- Ants Use Bacteria to Make Gardens Grow
- Evolution of Bat Migration Reconstructed
- Dramatic Decline Found in Siberian Tigers
- Killer Fungus Threatening Amphibians
- Spitzer Telescope Observes Baby Brown Dwarf
More Science Headlines
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2 pm EST
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How Coughing Is Triggered by Environmental Irritants
November 25, 2009 — Scientists have revealed how environmental irritants such as air pollution and cigarette smoke cause people to cough. The authors of a new study have identified the reaction inside the lungs that can ... > full story -
Meiosis: Chromosomes Dance And Pair Up On The Nuclear Membrane
November 25, 2009 — Meiosis -- the pairing and recombination of chromosomes, followed by segregation of half to each egg or sperm cell -- is a major crossroads in all organisms reproducing sexually. Yet, how the cell ... > full story -
Sticky Solution for Identifying Effective Probiotics
November 25, 2009 — Scientists have crystallized a protein that may help gut bacteria bind to the gastrointestinal tract. The protein could be used by probiotic producers to identify strains that are likely to be of ... > full story -
Origin of Life: Generating RNA Molecules in Water
November 25, 2009 — A key question in the origin of biological molecules like RNA and DNA is how they first came together billions of years ago from simple precursors. Now, researchers have reconstructed one of the ... > full story -
Yoga Boosts Heart Health, New Research Finds
November 25, 2009 — Heart rate variability, a sign of a healthy heart, has been shown to be higher in yoga practitioners than in non-practitioners, according to new ... > full story
11 am EST
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Fat Around the Middle Increases the Risk of Dementia
November 25, 2009 — Women who store fat on their waist in middle age are more than twice as likely to develop dementia when they get older, reveals a new ... > full story -
Butterfly Proboscis to Sip Cells
November 25, 2009 — A butterfly's proboscis looks like a straw -- long, slender and used for sipping -- but it works more like a paper towel, according to researchers. They hope to borrow the tricks of this piece of ... > full story -
Flu and Children: RSV Causes Far More Hospitalizations Than Seasonal Flu
November 25, 2009 — Influenza, particularly H1N1, has understandably captured the public spotlight. However, a new analysis shows that another virus -- respiratory syncytial virus (RSV) -- takes a substantially greater ... > full story -
'No Muss, No Fuss' Miniaturized Analysis for Complex Samples Developed
November 25, 2009 — Researchers have created a novel and simple way to analyze samples that are complex mixtures -- such as whole milk, blood serum and dirt in solution -- by adapting a new separation technique called ... > full story -
Organizational Psychologists Use Rock Band to Study How People Achieve Flow While at Work
November 25, 2009 — Using the video game Rock Band, organizational psychologists have found that -- like Goldilocks -- most people achieve flow with work that is neither too easy nor too hard but just ... > full story
8 am EST
-
Protein from Pregnancy Hormone May Prevent Breast Cancer
November 25, 2009 — Researchers have found that hormones produced during pregnancy induce a protein that directly inhibits the growth of breast cancer. This protein, alpha-fetoprotein, may serve as a viable, ... > full story -
Cross-Country Runabouts: Immune Cells on the Move
November 25, 2009 — In order to effectively fight pathogens, even at remote areas of the human body, immune cells have to move quickly and in a flexible manner. Scientists have now deciphered the mechanism that ... > full story -
Researchers Track Down Protein Responsible for Chronic Rhinosinusitis With Polyps
November 25, 2009 — A protein known to stimulate blood vessel growth has now been found to be responsible for the cell overgrowth in the development of polyps that characterize one of the most severe forms of sinusitis, ... > full story -
Robotic Clam Digs in Mudflats
November 25, 2009 — To design a lightweight anchor that can dig itself in to hold small underwater submersibles, Anette Hosoi of MIT borrowed techniques from one of nature's best diggers -- the razor ... > full story -
Children Still Exposed to Secondhand Smoke in Spite of Smoking Ban, Welsh Study Finds
November 25, 2009 — The smoking ban in Wales has not displaced secondhand smoke from public places into the home. A study of 3,500 children from 75 primary schools in Wales found that they were exposed to similar ... > full story
5 am EST
-
Pregnancy and Childbirth
Diseases and Conditions
Birth Defects
Down's Syndrome
Personalized Medicine
Infant's HealthUltrasound Enhances Noninvasive Down Syndrome Tests
November 25, 2009 — The addition of a "genetic sonogram" maximizes the accuracy of noninvasive testing for Down syndrome, according to new ... > full story -
First Bose-Einstein Condensation Of Strontium
November 25, 2009 — In an international first, scientists have produced a Bose-Einstein condensate of the alkaline-earth element strontium. Choosing the isotope 84Sr, which has received little attention so far, proved ... > full story -
Insights Into The Molecular Basis Of Tumor Cell Behavior
November 25, 2009 — A new study sheds light on the molecular basis by which tumor cells modulate their surroundings to favor cancer ... > full story -
Saving the Single Cysteine: New Antioxidant System Found
November 25, 2009 — We've all read studies about the health benefits of having a life partner. The same thing is true at the molecular level, where amino acids known as cysteines are much more vulnerable to damage when ... > full story -
National Anti-Gun Violence Program Largely Successful
November 25, 2009 — Project Safe Neighborhoods -- a community-based policing effort launched in 2001 -- has been largely successful in its goal of reducing violent crime, according to a new ... > full story
2 am EST
-
Flaxseed Oil May Reduce Osteoporosis Risk
November 25, 2009 — Animal studies suggest that adding flaxseed oil to the diet could reduce the risk of osteoporosis in post-menopausal women and women with ... > full story -
Pharmacology
Personalized Medicine
Diseases and Conditions
Disorders and Syndromes
Relationships
Nutrition
Researchers Begin to Decipher Metabolism of Sexual Assault Drug
November 25, 2009 — It's a naturally occurring brain chemical with an unwieldy name: 4-hydroxybutyrate (4-HB). Taken by mouth, it can be abused or used as a date-rape drug. Now, scientists have determined new routes by ... > full story -
Antifibrotic Effects of Green Tea
November 25, 2009 — Scientists examined the protective effect of green tea extract on hepatic fibrosis in vitro and in vivo in dimethylnitrosamine (DMN)-induced rats. Their study demonstrates that green tea ... > full story -
Systems Biology Approach Provides Insulin Resistance Insights
November 25, 2009 — Researchers recently offered the sharpest-yet picture of how core biochemical pathways in skeletal muscle cells and fat cells are altered in people who suffer from insulin resistance -- a primary ... > full story -
Using Science To Save Lives Of Mothers And Children In Africa
November 25, 2009 — The lives of almost 4 million women, newborns, and children in sub-Saharan Africa could be saved every year if well-established, affordable health care interventions reached 90 percent of ... > full story
11 pm EST
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Link Between Influenza Virus and Fever: Scientists Solve Riddle of New Mechanism in Immune System
November 24, 2009 — One feature of the "new influenza" is a sudden rise in temperature. Up to now it was not exactly understood how this reaction occurs. Scientists in Germany have been able to shed light into the dark. ... > full story -
Navy Researchers Apply Science To Fire Fighting
November 24, 2009 — Navy scientists are conducting research to insure that sailors and their ships can be protected from the deadly effects of ... > full story -
Racial Disparity in Colon Cancer Survival Not Easily Explained, Researchers Say
November 24, 2009 — For colon and other cancers, African-Americans have lower survival rates than whites. There has been a belief that racial disparity in survival following surgery for colon cancer was related to a ... > full story -
Smartphone App Illuminates Power Consumption
November 24, 2009 — A new application for the Android smartphone shows users and software developers how much power their applications are ... > full story -
Medical 'Pay for Performance' Programs Help Improve Care, but Not Always, Study Finds
November 24, 2009 — Everybody likes a raise in pay. Even health care professionals, it appears. Now a new study reports that the performance ratings of patient care from 25 medical groups throughout California ... > full story
8 pm EST
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Gene Implicated in Stress-Induced High Blood Pressure
November 24, 2009 — Do stressful situations make your blood pressure rise? If so, your phosducin gene could be to blame according to new research that indicates a role for the protein generated by the phosducin gene in ... > full story -
Cassini's Big Sky: View from the Center of Our Solar System
November 24, 2009 — NASA's Cassini spacecraft is helping to rewrite our understanding of the shape of our solar system as it moves through the local Milky Way galaxy. Previous models pictured our solar system as having ... > full story -
Diabetics Show Alarming Increase in Morbid Obesity
November 24, 2009 — One out of five type 2 diabetics is morbidly obese -- approximately 100 pounds or more overweight -- a new study has ... > full story -
Using New Technique, Scientists Find Eleven Times More Aftershocks for 2004 Quake
November 24, 2009 — Using a technique normally used for detecting weak tremor, scientists have discovered that the 2004 magnitude 6 earthquake along the Parkfield section of the San Andreas fault exhibited almost 11 ... > full story -
Genome-Wide Association Studies in Developing Countries Raise Important New Ethical Issues
November 24, 2009 — Typically conducted in richer, developed countries but now increasingly done in the developing world, genome wide association studies raise a host of ethical issues that must be addressed, experts ... > full story
5 pm EST
-
Toward Explaining Why Hepatitis B Hits Men Harder Than Women
November 24, 2009 — Scientists have discovered unusual liver proteins, found only in males, that may help explain the long-standing mystery of why the hepatitis B virus sexually discriminates -- hitting men harder than ... > full story -
Computational Microscope Peers Into the Working Ribosome
November 24, 2009 — Two new studies reveal in unprecedented detail how the ribosome interacts with other molecules to assemble new proteins and guide them toward their destination in biological cells. The studies used ... > full story -
Multiple Health Concerns Surface as Winter, Vitamin D Deficiences Arrive
November 24, 2009 — A string of recent discoveries about the multiple health benefits of vitamin D has renewed interest in this multi-purpose nutrient, increased awareness of the huge numbers of people who are deficient ... > full story -
How Might Navy Sonar Affect Hearing of Whales and Other Marine Animals?
November 24, 2009 — Rocket science is opening new doors to understanding how sounds associated with Navy sonar might affect the hearing of a marine mammal -- or if they hear it at ... > full story -
Anger Management
Disorders and Syndromes
Cholesterol
Multiple Sclerosis Research
Multiple Sclerosis
Today's HealthcareHigh Unexpressed Anger in Multiple Sclerosis Patients Linked to Nervous System Damage, Not Disease Severity
November 24, 2009 — People with multiple sclerosis (MS) feel more than twice as much withheld anger as the general population, but expressed anger levels are similar. Researchers were surprised by the results from the ... > full story
- View all the latest headlines and summaries, or browse by topic below:
Health & Biomedical Sciences
Health & Medicine
Flu and Children: RSV Causes Far More Hospitalizations Than Seasonal Flu
Influenza, particularly H1N1, has understandably captured the public spotlight. However, a new analysis shows that another virus -- respiratory syncytial virus (RSV) -- takes a substantially greater ... > full story
Mind & Brain
Fat Around the Middle Increases the Risk of Dementia
Women who store fat on their waist in middle age are more than twice as likely to develop dementia when they get older, reveals a new ... > full story
Living Well
Organizational Psychologists Use Rock Band to Study How People Achieve Flow While at Work
Using the video game Rock Band, organizational psychologists have found that -- like Goldilocks -- most people achieve flow with work that is neither too easy nor too hard but just ... > full story
Biological & Earth Sciences
Plants & Animals
Butterfly Proboscis to Sip Cells
A butterfly's proboscis looks like a straw -- long, slender and used for sipping -- but it works more like a paper towel, according to researchers. They hope to borrow the tricks of this piece of ... > full story
Earth & Climate
Children Still Exposed to Secondhand Smoke in Spite of Smoking Ban, Welsh Study Finds
The smoking ban in Wales has not displaced secondhand smoke from public places into the home. A study of 3,500 children from 75 primary schools in Wales found that they were exposed to similar ... > full story
Fossils & Ruins
Supervolcano Eruption In Sumatra Deforested India 73,000 Years Ago
A new study provides "incontrovertible evidence" that the volcanic super-eruption of Toba on the island of Sumatra about 73,000 years ago deforested much of central India, some 3,000 miles from the ... > full story
Physical & Applied Sciences
Space & Time
Cassini's Big Sky: View from the Center of Our Solar System
NASA's Cassini spacecraft is helping to rewrite our understanding of the shape of our solar system as it moves through the local Milky Way galaxy. Previous models pictured our solar system as having ... > full story
Matter & Energy
'No Muss, No Fuss' Miniaturized Analysis for Complex Samples Developed
Researchers have created a novel and simple way to analyze samples that are complex mixtures -- such as whole milk, blood serum and dirt in solution -- by adapting a new separation technique called ... > full story
Computers & Math
First Bose-Einstein Condensation Of Strontium
In an international first, scientists have produced a Bose-Einstein condensate of the alkaline-earth element strontium. Choosing the isotope 84Sr, which has received little attention so far, proved ... > full story
