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Six North American Sites Hold 12,900-year-old Nanodiamond-rich Soil
Abundant tiny particles of diamond
dust exist in sediments dating to
12,900 years ago at six North
American sites, adding strong
evidence for Earth's impact with a
rare swarm of
... > full story
- more on:
The Gold Standard: Nanoparticles Used To Make 3-D DNA Nanotubes
Scientists reveal for the first
time the 3-D character of DNA
nanotubules, rings and spirals,
each a few hundred thousandths the
diameter of a human hair. These
DNA nanotubes and other synthetic
... > full story
- more on:
Longstanding Theory Of Origin Of Species In Oceans Challenged
New evidence uncovered by
oceanographers challenges one of
the most long-standing theories
about how species evolve in the
oceans. Researchers propose that
it was the climate, and its role
... > full story
- more on:
Four Years After Tsunami, Coral Reefs Recovering
Scientists have reported a rapid
recovery of coral reefs in areas
of Indonesia, following the
tsunami that devastated coastal
regions throughout the Indian
Ocean on December 26, 2004. ... > full story
- more on:
How The Spider Spun Its Web: ‘Missing Link’ In Spider Evolution Discovered
New interpretations of fossils
have revealed an ancient missing
link between today's spiders and
their long-extinct ancestors. The
research by scientists at the
... > full story
- more on:
Clockwork That Drives Powerful Virus Nanomotor Discovered
Peering at structures only atoms
across, researchers have
identified the clockwork that
drives a powerful virus nanomotor.
Because of the motor's strength --
to scale, twice that of an
... > full story
- more on:
Better Antifreezes To Preserve Donor Organs For Transplantation
Chemists in Canada have developed
a new approach for producing more
effective medical antifreeze
fluids for preserving kidneys,
hearts, and other organs donated
for transplantation. These
... > full story
- more on:
Another Reason To Avoid High-fat Diet: It Can Disrupt Our Biological Clock, Say Researchers
Indulgence in a high-fat diet can
not only lead to overweight
because of excessive calorie
intake, but also can affect the
balance of circadian rhythms --
... > full story
- more on:
Why Locusts Abandon A Solitary Life For The Swarm
By applying an old theory that has
been used to explain water flow
through soil and the spread of
forest fires, researchers may have
an answer to a perplexing
ecological and evolutionary
problem: why locusts switch from
... > full story
- more on:
Competition, Not Climate Change, Led To Neanderthal Extinction, Study Shows
Neanderthal extinction was
principally a result of
competition with Cro-Magnon
populations, rather than the
consequences of climate change,
according to a new study. ... > full story
- more on:
Roll over headlines to view top news summaries:
- 12,900-year-old Nanodiamond-rich Soil Found
- 3-D DNA Nanotubes, Rings And Spirals
- Origin Of Species In Oceans Challenged
- Four Years After Tsunami, Coral Reefs Recover
- ‘Missing Link’ In Spider Evolution Discovered
- Viruses, Start Your Engines!
- Antifreezes Preserve Organs For Transplants
- High-fat Diet Can Disrupt Our Biological Clock
- Why Locusts Abandon Solitary Life To Swarm
- Competition Led To Neanderthal Extinction
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2 pm EST
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Common Oral Osteoporosis Drugs Linked To Serious Jaw Necrosis
January 2, 2009 — Clinical data links oral bisphosphonates to increased jaw necrosis. The study is among the first to acknowledge that even short-term use of common oral osteoporosis drugs may leave the jaw vulnerable ... > full story -
Nothing To Sneeze At: Real-time Pollen Forecasts
January 2, 2009 — Researchers in Germany are reporting an advance toward development of technology that could make life easier for millions of people allergic to plant pollen. It could underpin the first automated, ... > full story -
Obesity Increases Lymphedema Risk For Breast Cancer Survivors
January 2, 2009 — Throughout the world, 10 million breast cancer survivors have a lifetime risk for developing lymphedema, a chronic condition that involves swelling of the limbs and impacts physical and psychosocial ... > full story -
Structure Of New Botulism Nerve Toxin Subtype Revealed
January 2, 2009 — Scientists have determined the structure of a third subtype of botulinum neurotoxin -- a deadly toxin that causes the disease botulism, and is also used in cosmetic and therapeutic applications. The ... > full story -
Ancient African Exodus Mostly Involved Men, Geneticists Find
January 2, 2009 — Modern humans left Africa over 60,000 years ago in a migration that many believe was responsible for nearly all of the human population that exist outside Africa ... > full story
11 am EST
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Parkinson's Research
Parkinson's
Diseases and Conditions
Caregiving
Disorders and Syndromes
Huntington's DiseaseToxicity Mechanism Identified For Parkinson's Disease
January 2, 2009 — Alpha-synuclein is the main component of Lewy bodies, the clumps of aggregated proteins that form in the brains of Parkinson's disease patients. The alpha-synuclein gene is mutated or triplicated in ... > full story -
Spanish Droughts Over Past 500 Years Reconstructed
January 2, 2009 — Scientists have reconstructed the pattern of droughts in Spain between 1506 and 1900 on the basis of ceremonial records held at the Cathedral of Toledo, in order to observe how droughts have varied ... > full story -
Weakened RNA Interference Reduces Survival In Ovarian Cancer
January 2, 2009 — Levels of two proteins in a woman's ovarian cancer are strongly associated with her likelihood of survival, a research team ... > full story -
European First As ALICE Achieves Energy Recovery At 11 Million Volts
January 2, 2009 — Scientists have successfully demonstrated energy recovery on the ALICE advanced particle accelerator design, potentially paving the way for new accelerators using a fraction of the energy required ... > full story -
Obesity
Diet and Weight Loss
Children's Health
Dieting and Weight Control
Child Psychology
Child DevelopmentDoctors Not Properly Diagnosing Overweight And Obesity In Children
January 2, 2009 — Despite recent widespread media attention given to studies that have indicated one-third of American children have a weight problem, a new study shows just one-third of children who are overweight or ... > full story
8 am EST
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Potential Therapy For Congenital Muscular Dystrophy
January 1, 2009 — Current research suggests laminin, a protein that helps cells stick together, may lead to enhanced muscle repair in muscular ... > full story -
Religion May Have Evolved Because Of Its Ability To Help People Exercise Self-control
January 1, 2009 — Psychologists reveal that religion facilitates the exercise of self-control and attainment of long-term goals. A psychology professor has found a strong correlation between religion and self-control, ... > full story -
How Chromosomes Meet In The Dark: Switch That Turns On X Chromosome Matchmaking
January 1, 2009 — A research group lead by scientists at the University of Warwick has discovered the trigger that pulls together X chromosomes in female cells at a crucial stage of embryo development. This is an ... > full story -
Crystallographers Use Computers To Find New Superconductor
January 1, 2009 — New calculations predict that germanium hydride will be superconducting at relatively high temperatures, but will be easier to process than the high-temperature superconductors known up to ... > full story -
Weakness In Internet Security Uncovered
January 1, 2009 — Independent security researchers have found a weakness in the Internet digital certificate infrastructure that allows attackers to forge certificates that are fully trusted by all commonly used web ... > full story
5 am EST
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Grape-seed Extract Kills Laboratory Leukemia Cells, Proving Value Of Natural Compounds
January 1, 2009 — An extract from grape seeds forces laboratory leukemia cells to commit cell suicide. Researchers found that within 24 hours, 76 percent of leukemia cells had died after being exposed to the ... > full story -
Killer Mice Bring Albatross Population Closer To Extinction
January 1, 2009 — The critically endangered Tristan albatross has suffered its worst breeding season ever. The number of chicks making it through to fledging has decreased rapidly, and it is now five times lower than ... > full story -
Evidence For Protective Effect Of Fish Oil Not Conclusive
January 1, 2009 — Fish oil protects against deaths from heart problems, but doesn't provide a clear benefit in heart rhythm problems, according a new ... > full story -
Structure Of Virulent Pathogen Revealed
January 1, 2009 — Like high-profile politicians, pathogenic bacteria dispatch advance teams to make way for their arrival. But these bacterial agents don't just secure a safe passage, as a Secret Service detail might ... > full story -
Errors Involving Medications Common In Outpatient Cancer Treatment
January 1, 2009 — Seven percent of adults and 19 percent of children taking chemotherapy drugs in outpatient clinics or at home were given the wrong dose or experienced other mistakes involving their medications, ... > full story
2 am EST
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Type 1 Diabetes: Pancreatic Cell Transplants Engineered To Evade Immune Response
January 1, 2009 — In a finding that could significantly influence the way type 1 diabetes is treated, researchers have developed a technique for transplanting insulin-producing pancreatic cells that causes only a ... > full story -
Mars Rovers Near Five Years Of Science And Discovery
January 1, 2009 — NASA rovers Spirit and Opportunity may still have big achievements ahead as they approach the fifth anniversaries of their memorable landings on ... > full story -
Link To Severe Staph Infections Found
January 1, 2009 — Researchers recently described studies that support the link between the severity of community-acquired antibiotic-resistant Staphylococcus aureus infections and the Panton Valentine ... > full story -
Quadrantid Meteor Shower Expected 2nd-3rd January, 2009
January 1, 2009 — This year the Quadrantid meteor shower reaches its sharp peak of activity around midday on 3rd January in the UK (early morning in the US) . From the UK the best time to see them is in the last part ... > full story -
Epileptics In Stressful Jobs Can Handle The Pressure, Study Suggests
January 1, 2009 — Subject to sudden unexpected seizures, epileptics are often a subject of discrimination in the workforce. Many employers are hesitant to hire epileptics, fearing that stressful workplace situations ... > full story
11 pm EST
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Heart Disease
Stroke Prevention
Vioxx
Multiple Sclerosis Research
Diseases and Conditions
Alzheimer's ResearchGene Therapy Reversed Heart Damage In Rats With Heart Failure
December 31, 2008 — Long-term gene therapy resulted in improved cardiac function and reversed deterioration of the heart in rats with heart failure, according to a recent ... > full story -
Mouse Trap? Immunologist Calls For More Research On Humans, Not Mice
December 31, 2008 — The fabled laboratory mouse -- from which we have learned so much about how the immune system works -- can teach us only so much about how we humans get sick and what to do about it, says a leading ... > full story -
Don't Scratch That Itch: Blocking The Protein IL-21R Helps Prevent A Form Of Eczema
December 31, 2008 — Researchers have identified a role for the protein IL-21R in a mouse model of atopic dermatitis, a common allergic inflammatory skin disease often known as ... > full story -
Shade Coffee Benefits More Than Birds
December 31, 2008 — Here's one more reason to say 'shade grown, please' when you order your morning cup of coffee. Shade coffee farms, which grow coffee under a canopy of multiple tree species, not only harbor native ... > full story -
Family Rejection Of Lesbian, Gay And Bisexual Children Linked To Poor Health In Childhood
December 31, 2008 — A predictive link has been established between negative family reactions to their child's sexual orientation and serious health problems. Negative parental behaviors toward LGB children dramatically ... > full story
8 pm EST
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Genes That Made 1918 Flu Lethal Isolated
December 31, 2008 — By mixing and matching a contemporary flu virus with the "Spanish flu" -- a virus that killed between 20 and 50 million people 90 years ago in history's most devastating outbreak of infectious ... > full story -
Aphids Leave Old Exoskeletons Near Their Colonies, As Decoys
December 31, 2008 — By leaving the remains of their old exoskeletons, called 'exuviae', in and around their colonies, aphids gain some measure of protection from parasites. Parasitoid wasps are likely to attack the ... > full story -
Small Molecules, Large Effect: How Cancer Cells Ensure Their Survival
December 31, 2008 — Scientists have identified a molecular mechanism used by cancer cells to "defend" themselves against chemotherapeutics in an attempt to ensure their own survival. Both the messenger substance ... > full story -
Cracking A Tough Nut For Semiconductor Industry
December 31, 2008 — Researchers have developed a method to measure the toughness of the thin insulating films that play a critical role in high-performance integrated circuits, a technique that can help improve the ... > full story -
Risk Takers, Drug Abusers Driven By Decreased Ability To Process Dopamine
December 31, 2008 — For risk-takers and impulsive people, New Year's resolutions often include being more careful, spending more frugally and cutting back on dangerous behavior, such as drug use. But new research finds ... > full story
5 pm EST
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Blood Sugar Linked To Normal Cognitive Aging
December 31, 2008 — Maintaining blood sugar levels, even in the absence of disease, may be an important strategy for preserving cognitive health, suggests a new study. The findings suggest that exercising to improve ... > full story -
Researchers Print Dense Lattice Of Transparent Nanotube Transistors On Flexible Base
December 31, 2008 — It's a clear, colorless disk about 5 inches in diameter that bends and twists like a playing card, with a lattice of more than 20,000 nanotube transistors capable of high-performance electronics ... > full story -
MRI Scans Can Predict Effects Of Multiple Sclerosis Flare-ups On Optic Nerve
December 31, 2008 — One of the most pernicious aspects of multiple sclerosis -- its sheer unpredictability -- may finally be starting to yield to advanced medical imaging ... > full story -
Agriculture and Food
Hazardous Waste
Recycling and Waste
Environmental Science
Acid Rain
Endangered PlantsHuman Hair Combined With Compost Is Good Fertilizer For Plants
December 31, 2008 — Studies have shown that human hair, a readily available waste generated from barbershops and hair salons, combined with additional compost, is an additional nutrient source for ... > full story -
Third-hand Smoke: Another Reason To Quit Smoking
December 31, 2008 — Researchers have described how tobacco smoke contamination lingers even after a cigarette is extinguished -- a phenomenon they define as "third-hand" smoke. They examine, for the first time, adult ... > full story
- View all the latest headlines and summaries, or browse by topic below:
Health & Biomedical Sciences
Health & Medicine
Weakened RNA Interference Reduces Survival In Ovarian Cancer
Levels of two proteins in a woman's ovarian cancer are strongly associated with her likelihood of survival, a research team ... > full story
Mind & Brain
Toxicity Mechanism Identified For Parkinson's Disease
Alpha-synuclein is the main component of Lewy bodies, the clumps of aggregated proteins that form in the brains of Parkinson's disease patients. The alpha-synuclein gene is mutated or triplicated in ... > full story
- How Chromosomes Meet In The Dark: Switch That Turns On X Chromosome Matchmaking
- Epileptics In Stressful Jobs Can Handle The Pressure, Study Suggests
- Family Rejection Of Lesbian, Gay And Bisexual Children Linked To Poor Health In Childhood
- Risk Takers, Drug Abusers Driven By Decreased Ability To Process Dopamine
- more stories
Living Well
Doctors Not Properly Diagnosing Overweight And Obesity In Children
Despite recent widespread media attention given to studies that have indicated one-third of American children have a weight problem, a new study shows just one-third of children who are overweight or ... > full story
Biological & Earth Sciences
Plants & Animals
Grape-seed Extract Kills Laboratory Leukemia Cells, Proving Value Of Natural Compounds
An extract from grape seeds forces laboratory leukemia cells to commit cell suicide. Researchers found that within 24 hours, 76 percent of leukemia cells had died after being exposed to the ... > full story
Earth & Climate
Spanish Droughts Over Past 500 Years Reconstructed
Scientists have reconstructed the pattern of droughts in Spain between 1506 and 1900 on the basis of ceremonial records held at the Cathedral of Toledo, in order to observe how droughts have varied ... > full story
Fossils & Ruins
Pollen Grain Study Yields New Picture Of Ice Age
According to a new analysis of deposits of pollen grains, it is possible that all of Sweden was virtually free of ice for long periods during the latest ice age. The findings show that the glaciation ... > full story
Physical & Applied Sciences
Space & Time
Mars Rovers Near Five Years Of Science And Discovery
NASA rovers Spirit and Opportunity may still have big achievements ahead as they approach the fifth anniversaries of their memorable landings on ... > full story
Matter & Energy
European First As ALICE Achieves Energy Recovery At 11 Million Volts
Scientists have successfully demonstrated energy recovery on the ALICE advanced particle accelerator design, potentially paving the way for new accelerators using a fraction of the energy required ... > full story
Computers & Math
Crystallographers Use Computers To Find New Superconductor
New calculations predict that germanium hydride will be superconducting at relatively high temperatures, but will be easier to process than the high-temperature superconductors known up to ... > full story
