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Social Scientists Build Case for 'Survival of the Kindest'
Researchers are challenging
long-held beliefs that human
beings are wired to be selfish. In
a wide range of studies, social
scientists are amassing a growing
body of evidence to show we are
... > full story
- more on:
Brightness Variations of Sun-Like Stars: The Mystery Deepens
An extensive study made with
ESO’s Very Large Telescope
deepens a long-standing mystery in
the study of stars similar to the
Sun. Unusual year-long variations
in the brightness of about one
... > full story
- more on:
Maize Was Passed from Group to Group of Southwestern Hunter-Gatherers, Study Suggests
An international group of
anthropologists offers a new
theory about the diffusion of
maize to the Southwestern United
States and the impact it had. The
... > full story
- more on:
Life on Mars Theory Boosted by New Methane Study
Scientists have ruled out the
possibility that methane is
delivered to Mars by meteorites,
raising fresh hopes that the gas
might be generated by life on the
red planet, in new research. ... > full story
- more on:
Just After the Big Bang: Hubble's Deepest View of Universe Unveils Never-Before-Seen Galaxies
Astronomers have taken the deepest
image yet of the Universe in
near-infrared light. The faintest
and reddest objects in the image
are likely the oldest galaxies
... > full story
- more on:
Sea Level Could Rise from 0.75 to 1.9 Meters This Century
A new scientific study warns that
sea level could rise much faster
than previously expected. By the
year 2100, global sea level could
rise between 0.75 to 1.9 meters,
according to a new paper. ... > full story
- more on:
Dip Ordinary Paper Into Ink Infused With Nanotubes and Nanowires to Create an Instant Battery
Dip an ordinary piece of paper
into ink infused with carbon
nanotubes and silver nanowires,
and it turns into a battery or
supercapacitor. Crumple the piece
... > full story
- more on:
Super Cool Atom Thermometer: New, Reliable Ways of Measuring Extreme Low Temperatures
Physicists have devised a
thermometer that can potentially
measure temperatures as low as
tens of trillionths of a degree
above absolute zero. ... > full story
- more on:
Spices Halt Growth of Breast Stem Cells, Study Finds
A new study finds that compounds
derived from the spices turmeric
and pepper could help prevent
breast cancer by limiting the
growth of stem cells, the small
number of cells that fuel a
tumor's growth. ... > full story
- more on:
Self-Destructing Bacteria Improve Renewable Biofuel Production
An Arizona State University
research team has developed a
process that removes a key
obstacle to producing lower-cost,
renewable biofuels. The team has
programmed a photosynthetic
... > full story
- more on:
Roll over headlines to view top news summaries:
- Researchers Propose 'Survival of the Kindest'
- Brightness Variations of Sun-Like Stars
- Maize Passed Between Hunter-Gatherer Groups
- Methane on Mars Produced by Microorganisms?
- Never-Before-Seen Galaxies Unveiled
- Sea Level Could Rise 1.9 Metres This Century
- Paper, Nanotube Ink, Wires: Instant Battery
- Super Cool Atom Thermometer
- Spices Halt Growth of Breast Stem Cells
- Bacteria Self-Destruct for Renewable Biofuel
More Science Headlines
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5 am EST
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Severity of H1N1 Flu in US During Current Flu Season May Be Less Than Feared
December 9, 2009 — A new study projects that the severity of the H1N1 flu during the autumn-winter flu season in the United States will likely be less than previously ... > full story -
How Dinoflagellates Protect Themselves During Photosynthesis
December 9, 2009 — During photosynthesis at high light intensities dangerous oxygen radicals can form inside cells. Dinoflagellates have a unique light-harvesting complex (antenna) which can divert superfluous energy ... > full story -
Lymphoma
Today's Healthcare
Diseases and Conditions
Multiple Sclerosis Research
Personalized Medicine
LeukemiaBlood Cancers: New Research Demonstrates Advances in Optimizing Treatments and Quality of Life
December 9, 2009 — New research explores optimal induction therapies for managing multiple myeloma, the importance of advance care planning for improved quality of life, and a potential new first-line therapy for ... > full story -
Logging Effects Vary Based on a Forest's History, Climate
December 9, 2009 — A Smoky Mountain forest's woodland herb population has shown that climate may play a role in how forest understories recover from logging, according to new ... > full story -
Food Attitudes Affect Obesity Risk in Middle-Aged Women
December 9, 2009 — A small study of middle-aged women finds that "guilt-ridden dieters," impulsive eaters and those too busy to focus on food are the most likely to show signs of ... > full story
2 am EST
-
The Thalamus, Middleman of the Brain, Becomes a Sensory Conductor
December 9, 2009 — Two new studies show that the thalamus -- the small central brain structure often characterized as a mere pit-stop for sensory information on its way to the cortex -- is heavily involved in sensory ... > full story -
Deep Space Maintenance Deep in Australia's Bush
December 9, 2009 — The European Space Agency's giant 35m ground stations require regular maintenance and periodic mid-life upgrades to keep them working in tip-top condition, communicating with the Agency's growing ... > full story -
Advances in Diagnosing and Treating Leukemia and Myeloproliferative Disorders
December 9, 2009 — Leukemia and myeloproliferative disorders are serious and often deadly blood cancers. Recent research introduces potential new treatment options and improved diagnostic methods for patients suffering ... > full story -
Computer Modeling
Virtual Reality
Virtual Environment
Artificial Intelligence
Engineering
Mathematical Modeling
Milling and Drilling in Cyberspace
December 9, 2009 — Machinists, numerical control programmers or mechatronics engineers -- trainees in engineering jobs often have to master complex equipment. In the future, trainees will practice and learn milling, ... > full story -
Psychological Impacts Not Found for Casual Sex Among Young Adults
December 9, 2009 — Researchers have found that young adults engaging in casual sexual encounters do not appear to be at increased risk for harmful psychological outcomes as compared to sexually active young adults in ... > full story
11 pm EST
-
HIV-Related Memory Loss Linked to Alzheimer's Protein
December 8, 2009 — More than half of HIV patients experience memory problems and other cognitive impairments as they age, and doctors know little about the underlying causes. New research suggests HIV-related cognitive ... > full story -
Parasite Evades Death by Promoting Host Cell Survival
December 8, 2009 — Researchers have discovered how the parasite Trypanosoma cruzi, which causes Chagas' disease, prolongs its survival in infected cells. A protein on the parasite activates the enzyme Akt, which blocks ... > full story -
Small Addition to Cancer Drug May Make Big Difference
December 8, 2009 — The addition of a small molecule to the cancer drug Temozolomide disrupts repair mechanisms in a type of tumor cells that is highly resistant to ... > full story -
Economics
Environmental Policy
Environmental Policies
Land Management
Funding Policy
Environmental IssuesNew Software to Simulate Future Financial Crises
December 8, 2009 — Can economics better predict how banks will react to future credit crunches and their impact on the wider economy? Breakthrough simulation software by European researchers could hold the answers to ... > full story -
Public Health
Colon Cancer
Diseases and Conditions
Breast Cancer
Today's Healthcare
Personalized MedicinePeople Living in Poorer Neighborhoods at Increased Risk for Death, Worse Health Risks
December 8, 2009 — Regardless of an individual's dietary and lifestyle risk factors, living in a poorer or more socioeconomically deprived neighborhood may increase a person's risk for death, according to new ... > full story
8 pm EST
-
Gene Therapy and Stem Cells Save Limb
December 8, 2009 — Blood vessel blockage, a common condition in old age or diabetes, leads to low blood flow and results in low oxygen, which can kill cells and tissues. Such blockages can require amputation resulting ... > full story -
Tiny RNA Has Big Impact on Lung Cancer Tumors
December 8, 2009 — Researchers reversed the growth of lung tumors in mice using a naturally occurring tumor suppressor microRNA. The study reveals that a tiny bit of RNA may one day play a big role in cancer treatment, ... > full story -
Omega-3 Fatty Acids May Reduce Risk of Colon Cancer
December 8, 2009 — Long-chain omega-3 fatty acids, primarily found in fish and seafood, may have a role in colorectal cancer prevention, according to new ... > full story -
Turning Metal Black More Than Just a Novelty: Laser Technique Could Have Important Medical Implications
December 8, 2009 — Researchers made headlines recently when they changed the color of everyday metals by scouring their surfaces with precise, high-intensity laser bursts. A recent discovery has shown that beyond the ... > full story -
Rodent Smoke Screen: Rat Model Shows Tobacco Smoke Exposure Induces Brain Changes Indicative of Nicotine Dependence
December 8, 2009 — Rats passively exposed to tobacco smoke become dependent on nicotine, according to a new study. The findings of how rats' brains respond to exposure to tobacco smoke have implications for the study ... > full story
5 pm EST
-
Coffee Consumption Associated With Reduced Risk of Advanced Prostate Cancer
December 8, 2009 — While it is too early for physicians to start advising their male patients to take up the habit of regular coffee drinking, new data revealed a strong inverse association between coffee consumption ... > full story -
Scientists Detect PCBs on South America’s Highest Peak
December 8, 2009 — Even the snow on Aconcagua Mountain in the Andes is polluted with PCBs. Scientists detected low concentrations of these toxic, carcinogenic chlorine compounds in samples taken from America’s ... > full story -
'Rational Drug Design' Identifies Fragments of FDA-Approved Drugs Relevant to Emerging Viruses
December 8, 2009 — A massive, data-crunching computer search program that matches fragments of potential drug molecules to the known shapes of viral surface proteins has identified several FDA-approved drugs that could ... > full story -
New Relationship Between Gene Duplication and Alternative Splicing in Plants Discovered
December 8, 2009 — Scientists looking to understand the genetic mechanisms of plant defense and growth have found for the first time in plants an inverse relationship between gene duplication and alternative splicing. ... > full story -
Young Adults' Blood Lead Levels Linked to Depression, Panic Disorder
December 8, 2009 — Young adults with higher blood lead levels appear more likely to have major depression and panic disorders, even if they have exposure to lead levels generally considered safe, according to a report ... > full story
2 pm EST
-
Quitting Smoking Can Reverse Asthma-Inducing Changes in Lungs
December 8, 2009 — Asthmatic smokers may be able to reverse some of the damage to their lungs that exacerbates asthmatic symptoms just by putting down their cigarettes, according to new ... > full story -
New Technology Could Boost Disease Detection Tests' Speed and Sensitivity
December 8, 2009 — Scientists have developed a way to rapidly manipulate and sort different cells in the blood using magnetizable liquids. The findings could dramatically improve the speed and sensitivity of tests used ... > full story -
Gene Positions May Aid Cancer Diagnosis, Study Shows
December 8, 2009 — Certain genes switch their nuclear position in tumor cells, offering a potential new method of diagnosing cancer, say ... > full story -
A Greener Way to Get Electricity from Natural Gas
December 8, 2009 — A new type of natural-gas electric power plant could provide electricity with zero carbon dioxide emissions to the atmosphere, at costs comparable to or less than conventional natural-gas plants, and ... > full story -
Craving Hinders Comprehension Without You Realizing It
December 8, 2009 — A new study reveals that craving a cigarette while performing a cognitive task not only increases the chances of a person's mind wandering, but also makes that person less likely to notice when his ... > full story
11 am EST
-
New Platinum Compound Shows Promise in Tumor Cells
December 8, 2009 — Chemists have developed a new platinum compound that is as powerful as the commonly used anticancer drug cisplatin but better able to destroy tumor ... > full story -
World's Smallest Semiconductor Laser to Have Big Impact in Computing, Bio-Hazard Detection
December 8, 2009 — Researchers have demonstrated the world's smallest semiconductor laser, which may have applications to the Air Force in communications, computing and bio-hazard ... > full story -
Exercise Reduces Death Rate in Prostate Cancer Patients
December 8, 2009 — As little as 15 minutes of exercise a day can reduce overall mortality rates in patients with prostate cancer, according to a new ... > full story -
Metamaterials Could Reduce Friction in Nanomachines
December 8, 2009 — Nanoscale machines expected to have wide application in industry, energy, medicine and other fields may someday operate far more efficiently, thanks to important theoretical discoveries concerning ... > full story -
In Cancer-Ridden Rats, Loneliness Can Kill: Isolation and Stress Identified as Contributing to Breast Cancer Risk
December 8, 2009 — Social isolation and related stress could contribute to human breast cancer susceptibility, research from a rat model to identify environmental mechanisms contributing to cancer risk shows. The ... > full story
8 am EST
-
New York Autopsies Show 2009 H1N1 Influenza Virus Damages Entire Airway
December 8, 2009 — In fatal cases of 2009 H1N1 influenza, the virus can damage cells throughout the respiratory airway, much like the viruses that caused the 1918 and 1957 influenza pandemics, report ... > full story -
Mathematical Model of Simple Circuit in Chicken Brain Raises Fundamental Questions About Neural Circuitry
December 8, 2009 — Neural microcircuits consisting of a few neurons and their interconnections are small enough to be understood more completely than larger neural structures, whose complexity quickly becomes ... > full story -
Association of Tight Glycemic Control With Road Crashes in Diabetic Patients
December 8, 2009 — A study from Canada suggests an association between tighter glycemic control and an increased risk of a motor vehicle crash in diabetic ... > full story -
Method to Detect Chocolate Fraud Becomes an International Standard
December 8, 2009 — European countries are the biggest consumers of chocolate confectioneries in the world. A newly developed method to measure vegetable fats in milk chocolate has become the first such method to be ... > full story -
Difficult Childhood May Increase Disease Risk in Adulthood
December 8, 2009 — Individuals who experience psychological or social adversity in childhood may have lasting emotional, immune and metabolic abnormalities that help explain why they develop more age-related diseases ... > full story
- View all the latest headlines and summaries, or browse by topic below:
Health & Biomedical Sciences
Health & Medicine
Advances in Diagnosing and Treating Leukemia and Myeloproliferative Disorders
Leukemia and myeloproliferative disorders are serious and often deadly blood cancers. Recent research introduces potential new treatment options and improved diagnostic methods for patients suffering ... > full story
Mind & Brain
The Thalamus, Middleman of the Brain, Becomes a Sensory Conductor
Two new studies show that the thalamus -- the small central brain structure often characterized as a mere pit-stop for sensory information on its way to the cortex -- is heavily involved in sensory ... > full story
- Psychological Impacts Not Found for Casual Sex Among Young Adults
- HIV-Related Memory Loss Linked to Alzheimer's Protein
- Rodent Smoke Screen: Rat Model Shows Tobacco Smoke Exposure Induces Brain Changes Indicative of Nicotine Dependence
- Young Adults' Blood Lead Levels Linked to Depression, Panic Disorder
- more stories
Living Well
Coffee Consumption Associated With Reduced Risk of Advanced Prostate Cancer
While it is too early for physicians to start advising their male patients to take up the habit of regular coffee drinking, new data revealed a strong inverse association between coffee consumption ... > full story
Biological & Earth Sciences
Plants & Animals
Parasite Evades Death by Promoting Host Cell Survival
Researchers have discovered how the parasite Trypanosoma cruzi, which causes Chagas' disease, prolongs its survival in infected cells. A protein on the parasite activates the enzyme Akt, which blocks ... > full story
Earth & Climate
New Software to Simulate Future Financial Crises
Can economics better predict how banks will react to future credit crunches and their impact on the wider economy? Breakthrough simulation software by European researchers could hold the answers to ... > full story
Fossils & Ruins
Undocumented Volcano Contributed to Extremely Cold Decade from 1810-1819
Researchers have found compelling evidence of a previously undocumented large volcanic eruption that occurred exactly 200 years ago, in 1809. The discovery helps explain the record cold decade from ... > full story
- Students Discover Thomas Jefferson Letter Among Thousands of Items Donated to Library
- Remains Of Minoan-Style Painting Discovered During Excavations Of Canaanite Palace
- 'Smell of Old Books' Offers Clues to Help Preserve Them
- Carbon and Oxygen in Tree Rings Can Reveal Past Climate Information
- more stories
Physical & Applied Sciences
Space & Time
Deep Space Maintenance Deep in Australia's Bush
The European Space Agency's giant 35m ground stations require regular maintenance and periodic mid-life upgrades to keep them working in tip-top condition, communicating with the Agency's growing ... > full story
Matter & Energy
Turning Metal Black More Than Just a Novelty: Laser Technique Could Have Important Medical Implications
Researchers made headlines recently when they changed the color of everyday metals by scouring their surfaces with precise, high-intensity laser bursts. A recent discovery has shown that beyond the ... > full story
Computers & Math
Milling and Drilling in Cyberspace
Machinists, numerical control programmers or mechatronics engineers -- trainees in engineering jobs often have to master complex equipment. In the future, trainees will practice and learn milling, ... > full story
- 'Rational Drug Design' Identifies Fragments of FDA-Approved Drugs Relevant to Emerging Viruses
- World's Smallest Semiconductor Laser to Have Big Impact in Computing, Bio-Hazard Detection
- Mathematical Model of Simple Circuit in Chicken Brain Raises Fundamental Questions About Neural Circuitry
- Breakthrough in 'Spintronics' Could Lead to Energy Efficient Chips
- more stories
