1 July 2009
Daily sex boosts male fertility
Fertility experts say that although frequent ejaculation decreases semen volume and sperm concentrations, it significantly increases sperm motility and reduces DNA damage...

30 June 2009
Laser-lens promises attosecond shutter-speeds
A virtual lens created by two counterpropagating laser beams could theoretically deliver incredibly fast shutter speeds, making the real-time observation of matter at the molecular level a real possibility...

29 June 2009
BPA exposure during pregnancy alters offspring's DNA
In animal studies, exposure to BPA (a common chemical found in many plastic household items) during pregnancy is known to cause fertility defects in the offspring, and now researchers have found out how those defects occur...

26 June 2009
Beauty in the eye of the beholder? Only for women
Hot or not? Men agree on the answer but women don’t. So says a new study that found there is much more consensus among men about whom they find attractive than there is among women...

25 June 2009
Cost of genotyping plunges thanks to Sudoku logic
Sudoku, the math-based game that took the world by storm, may now be poised to revolutionize the fast-changing world of genome sequencing and the field of medical genetics...

24 June 2009
Researchers tickled by feathers' prodigious hydrogen storage capabilities
Carbonized chicken feather fibers are as efficient at storing hydrogen as carbon nanotubes and would add only $200 to the cost of a hydrogen powered car compared to nanotube storage which would add more than $5M...

23 June 2009
Brain treats tools as body parts
When we use a tool - even for just a few minutes - it changes the way our brain represents the size of our body, with the tool becoming an integrated component of our body schema...

22 June 2009
Combination approach could eradicate HIV from body
Medications that target viral replication of HIV throughout the body, in combination with drugs that prevent infected memory T-cells from dividing, could eliminate the reservoirs of HIV that stubbornly persist within the body, eventually leaving it disease-free...

19 June 2009
New computational methodology could revolutionize evolutionary biology
Detailed, accurate evolutionary trees that reveal the relatedness of living things can now be determined much faster and for thousands of species with the help of a novel computing method...

18 June 2009
Bacteria found to exhibit anticipatory behavior
Bacteria can anticipate future events and prepare for them, according to new research that explores how a microorganism's genetic networks are hard-wired to "foresee" what comes next in a sequence of events...

17 June 2009
Mad fish disease could threaten humans
Experts are questioning the safety of eating farmed fish that are fed byproducts rendered from cows...

16 June 2009
Novel material could revolutionize electronics
At room temperatures, bismuth telluride - which can be fabricated using existing semiconductor technologies - behaves as a topological insulator, allowing electrons on its surface to travel with no loss of energy...

15 June 2009
Laptop fertility warning
Father's Day has prompted one fertility expert to issue a fresh warning to men who use their laptop computers on, er, their laps. She says that most men underestimate the impact that the heat from laptops can have on sperm production...

12 June 2009
Change in monsoon patterns likely
Climate change seems likely to shift seasonal monsoons to the south, causing more rain to fall over the oceans than in the Earth's tropical regions, leading to a dramatic drop in global vegetation growth...

11 June 2009
Influenza during pregnancy linked to schizophrenia
When mothers contract influenza during their pregnancy, it may increase the risk for schizophrenia in their offspring...

10 June 2009
The strange case of the shrinking star
Betelgeuse, the bright red supergiant star in the constellation Orion, has shrunk by more than 15 percent over the past 15 years, and astronomers aren't sure why...

9 June 2009
Genetic regions linked to animal tameness identified
An international team of scientists have identified the regions of genetic code that are responsible for animal tameness, a discovery that could lead to the breeding of domesticated animals of species once believed to be untamable...

8 June 2009
Parasite puzzle: scientists mull coextinction conundrum
Climate change and environmental degradation will make extinctions a sure-bet in the future; but scientists are still struggling to come to grips with what happens to a species' parasites when the host disappears. One worrying scenario predicts rapidly escalating numbers of pathogens and parasites affecting both humans and our domesticated animals...

5 June 2009
Did population density create modern humans?
A controversial new study argues that increasing population density, rather than growth in the power of the human brain, is what catalyzed the emergence of modern human behavior...

4 June 2009
Biologically inspired, ultra-broadband chip could enable "cognitive" radio
A radio chip modeled on the human inner ear can efficiently process a broad spectrum of signals including cell phone, wireless Internet, radio and television; an achievement that could usher in what the developers call "cognitive" radio...

3 June 2009
Ethanol production degrading soil productivity
Crop residues are viewed as a low cost and readily available source of material for ethanol production. But these residues are not simply a waste material as they play a pivotal role in sustaining levels of organic matter in soil...

2 June 2009
Incandescent light bulbs: not quite down and out
It may not be game-over for incandescent bulbs after all. US researchers report vast improvements in energy efficiency and brightness by briefly exposing an ordinary bulb to an extremely bright laser which creates nano-scale structures on the bulb's tungsten filament...

29 May 2009
Breakthrough in controlling superposition quantum states
Superposition states are a fundamental concept in quantum mechanics and for the first time they have been controllably created with light...

28 May 2009
Tantalizing glimpse of macroscopic quantum effects
The weird laws of quantum mechanics govern how molecules, atoms and smaller particles behave, but quantum phenomena sometimes “leak up” to macroscopic scales, researchers have found...

27 May 2009
Dire outlook for shellfish in a high CO2 world
Rising levels of atmospheric carbon dioxide contributing to the acidification of the planet's oceans may push some shellfish populations to extinction...

20 May 2009
Earth to get hotter sooner
New modeling on the likelihood of how much hotter the Earth's climate will get this century shows that without rapid policy change the problem will be twice as severe as previously estimated - and could be even worse...

19 May 2009
Cancer drug Rituxan linked to brain virus
Rituximab (marketed as Rituxan), a drug that is used to treat cancer as well as arthritis, lupus and multiple sclerosis, has been linked to a virus known as progressive multifocal leukoencephalitis (PML) that eats away the brain's white matter...

18 May 2009
Cloud-seeding microorganisms go under the microscope
A new study is the first to yield direct data on how bacteria, fungal spores and plant material influence cloud formation at high altitudes...

15 May 2009
Melting threat from ice sheet overstated?
The total or partial collapse of the West Antarctic Ice Sheet would not raise global sea levels as high as predicted contends a new study, but the effects would be most strongly felt in coastal areas of the United States...

14 May 2009
Back to the drawing board for North Atlantic circulation
The conveyor belt paradigm that is used to describe the North Atlantic Ocean's circulation has it that the Gulf Stream-warmed ocean releases heat to the atmosphere in the northern North Atlantic, leaving ocean water colder and denser as it moves north. But this is a vast oversimplification, say oceanographers...

13 May 2009
Superbugs thriving in wastewater treatment plants
In the first study of its kind, Michigan researchers have established that wastewater treatment plants are providing a perfect environment for the emergence of antibiotic-resistant superbugs that eventually end up in neighboring streams and lakes...

12 May 2009
Men and women equal? Not when it comes to the immune system
Women have a more powerful immune system than men thanks to the production of estrogen that amplifies the body's innate inflammatory response against bacterial pathogens...

11 May 2009
Entanglement of photon detected across four locations
Caltech scientists have shown how entanglement in the form of beams of light simultaneously propagating along four distinct paths can be detected with a surprisingly small number of measurements...

6 May 2009
Modified Newtonian dynamic could do away with dark matter
The number of physicists questioning the existence of dark matter has been increasing for some time now. And while competing theories of gravitation have been developed independent of dark matter, they conflict with Newton's theory of gravitation. Now, some physicists are suggesting that Newton might be wrong...

5 May 2009
Laissez faire use of DDT concerns experts
DDT's use to combat malaria was endorsed in 2006 by the World Health Organization and the organochlorine pesticide is now sprayed inside buildings and homes throughout the developing world. But the human health impacts of DDT exposure at such high levels are unknown, say epidemiologists...

4 May 2009
Mechanism behind caffeine withdrawal revealed
Scientists have been studying brain electrical activity and blood flow to examine what was taking place physiologically during acute caffeine abstinence, including the likely mechanism underlying the common "caffeine withdrawal headache"...

1 May 2009
Novel method to induce immunity to chlamydia
Scientists have come up with a unique nanoparticle based method for inducing immunity to infection by chlamydia, work that may accelerate progress toward the development of a vaccine...

30 April 2009
Marriages fixed with oxytocin
Oxytocin - the love hormone - has been found to foster improved communication and lower stress levels in couples engaged in conflict resolution...

29 April 2009
Constructal law unifies animate and inanimate designs of nature
A Duke University engineer believes that he has now unified both the biological and geophysical principles of nature's design through the constructal law, which can also be viewed as the physics of evolution...

28 April 2009
Lost world... found?
New evidence suggests that dinosaur bones found in the San Juan Basin date from after the supposed dino-doomsday, and that dinosaurs may have survived in what is now New Mexico and Colorado for up to half-a-million years...

27 April 2009
Nano-mechanical sensors "wired" using photonics
Yale researchers have demonstrated silicon-based nano-cantilevers, smaller than the wavelength of light, that operate on photonic principles eliminating the need for electric transducers and expensive laser setups...

24 April 2009
Fires responsible for 20% of CO2 emissions
Fires are a significant contributor to climate change, according to a report published in the journal Science, creating up to one-fifth of the human-caused increase in emissions of carbon dioxide...

23 April 2009
Scientists mull polarized light tell-tales from alien life
Like life on Earth, extraterrestrial life should create an environment with a large amount of molecules that favor one kind of handedness (chirality), and now, scientists believe we may be able to identify life-harboring planets by looking for left- (or right-) handed reflected light from these planets...

21 April 2009
Beer-goggles put to the test
British researchers have been surveying people in bars and cafes by asking them to rate the attractiveness of underage and mature females with and without makeup...

20 April 2009
Male impotence drugs may benefit some women
The main drugs used to treat male impotence may also benefit around half of the women who report sexual dysfunction, suggesting that the medical community should perhaps take a second look at their potential as a viable treatment for women...

17 April 2009
New nucleotide could revolutionize field of epigenetics
The identification of a sixth nucleotide in the mammalian DNA code suggests a previously unknown layer of complexity exists between our basic genetic blueprints and the creatures that we grow into...

16 April 2009
Folk-medicine herbal alkaloid synthesized
The moss Lycopodium serratum is a creeping, flowerless plant containing a potent brew of alkaloids that have attracted scientific interest thanks to their possible anti-cancer properties. Until now, however, analyzing the medicinal properties of these chemicals has been next to impossible...

15 April 2009
Vaccine developed for E. coli diarrheal diseases
A researcher from Michigan State University has developed a working vaccine for a strain of E. coli that kills up to 3 million children each year in the developing world...

14 April 2009
Tweet this: Rapid-fire media confuses our moral compass
A new study raises important questions about the emotional cost - particularly for the developing brain - of our increasingly heavy reliance on a rapid stream of news snippets obtained through television, online feeds and social networks such as Twitter...

9 April 2009
Meat market for chimps
Newly documented observations of male and female chimps exchanging meat for mating access helps to explain how female chimps choose their mating partners and why male chimps frequently share meat with females...

8 April 2009
A genetic basis for love at first sight
A multinational team of researchers has discovered that at the genetic level, some males and females are more compatible than others, and that this compatibility plays important roles in mate selection and mating outcomes...

7 April 2009
The neurobiology of wisdom
A new meta-study just completed by University of California neurologists sought to determine if specific brain circuits and pathways might be responsible for wisdom - once the sole province of religion and philosophy. The researchers argue that there may indeed be a basis in neurobiology for wisdom's most universal traits...

6 April 2009
Racetrack computer memory "within 10 years," say researchers
A new kind of computer memory, called "racetrack" memory, looks set to replace the hard disk as the standard method of storing information on home computers. It promises to be 100 times cheaper than flash memory and has no moving parts – instead, it is the information which moves...

3 April 2009
Battery built from GM viruses
Researchers have genetically engineered viruses to build both the positively and negatively charged ends of a lithium-ion battery. The new virus-produced batteries have the same energy capacity and power performance as the state-of-the-art rechargeable batteries being considered to power plug-in hybrid cars...

1 April 2009
Disinfectant by-products create toxic cocktail
The disinfection of water stands out as possibly the most significant public health achievement, but a recent study shows that the chemicals used to purify the water we drink and use in swimming pools react with organic material in the water yielding a surprisingly toxic brew...

31 March 2009
Season of conception linked to birth defect risk
Birth defect rates in the United States are highest for women conceiving in the spring and summer – the time when pesticide levels in surface water across the country reach their peak...

30 March 2009
Magnets used to clean up bloodstream
Sepsis, a potentially lethal disease caused by a systemic microbial infection that spreads via the bloodstream, is responsible for more than 200,000 deaths per year in the U.S. alone. Existing treatments can be ineffective but researchers have come up with a novel first line of defense - the use of magnetism to quickly remove pathogens from the blood...

27 March 2009
Estrogen contamination in bottled water "just the tip of the iceberg," say scientists
The notion that bottled mineral water is clean and without contamination is being challenged by new research that has identified significant levels of estrogen leaching from plastic bottles into the water...

26 March 2009
Compelling new evidence for benefits of circumcision
American and Ugandan scientists working in Africa have found that adult male circumcision significantly decreases infection rates for the two most common sexually transmitted infections – herpes and the human papillomavirus (the virus that causes cervical cancer and genital warts)...

25 March 2009
Redefining DNA's structure for fun and profit
In a bold rewrite of the recipe for life, scientists have designed a new type of DNA with 12 chemical letters instead of the usual four. This artificial genetic system is already helping to usher in the era of personalized medicine for millions of patients with HIV, hepatitis and other diseases and may one day help produce a self-sustaining molecule capable of Darwinian evolution and reproduction...

24 March 2009
Cold fusion a hot topic – again
In a sign of science's reinvigorated quest for new energy sources, the American Chemical Society's annual shindig features no less than 30 papers on the topic of cold fusion - or Low-Energy Nuclear Reactions as it is now known - with some of the presenters saying their findings are "very significant"...

23 March 2009
Carbohydrate synthesizer opens door to new field of medicine
German scientists have reported a major advance toward opening the doors of a carbohydrate-based medicine chest for the 21st Century. Much more than just bread and pasta, these carbohydrates may form the basis of revolutionary new vaccines and drugs to battle malaria, HIV, and a plethora of other diseases...

20 March 2009
Mothers' exposure to insecticide linked to offsprings' obesity
Exposure in the womb to the chemical DDE (a breakdown product of DDT, the insecticide commonly used up until the 1970s) may play a role in the obesity epidemic in women...

19 March 2009
New clues in understanding face perception
Humans excel at recognizing faces but neuroscience doesn't know how we accomplish it. Now, in an effort to explain our success in this area, researchers are taking a closer look at how and why we fail at face recognition. Specifically, our impaired ability to recognize faces in photographic negatives...

18 March 2009
Extraterrestrial amino acids left-handed
NASA scientists analyzing the dust of meteorites say that the extraterrestrial biological molecules brought to Earth by meteorite impacts could help explain why the chemistry of life on Earth is left-handed...

17 March 2009
Guitarists' brains synchronized
When guitarists play along together it isn't just their instruments that are in time - their brain waves are too, say researchers who have been analyzing EEG readouts from pairs of guitarists...

16 March 2009
New antibiotics solve resistance problem
Researchers are developing a new generation of antibiotic compounds that work by disrupting bacterial communication, thus avoiding the problem of bacterial resistance. So far, the new compounds have been shown to work against two of the main food contaminant microbes that together cause 110,000 illnesses and 50 deaths in the US each year...

12 March 2009
"Spin battery" provides novel electrical storage
Researchers have developed a "spin battery," a battery that is charged by applying a large magnetic field to nano-magnets in a device called a magnetic tunnel junction...

11 March 2009
Salt: nature's antidepressant
Most people consume far too much salt and an American researcher thinks we might crave it because it puts us in a better mood...

10 March 2009
Physicists observe single top-quark
Fermilab scientists have observed particle collisions that produce single top quarks. The result confirms important parameters of particle physics, such as the total number of quarks, and has significance for the ongoing search for the Higgs boson...

9 March 2009
More evidence for obesity-infertility link
Obese women appear to undergo alterations in their ovaries which might be responsible for an egg's inability to make an embryo, according to a new study...

6 March 2009
Testosterone patch to boost women's sex drive gets thumbs-down
Intrinsa, a recently licensed testosterone patch designed to pep up a woman's flagging sex drive after womb and ovary removal, may not work...

5 March 2009
Dead Sea dying?
The water levels in the Dead Sea are dropping at an alarming rate with serious environmental consequences, say German researchers...

4 March 2009
Musicians’ brains optimized to identify emotion
In research that may lead to new therapies for children with autism and Asperger’s syndrome, researchers have found the first biological evidence that musical training enhances an individual’s ability to recognize emotion in speech...

3 March 2009
"Ethanol subsidies a poor investment economically and environmentally," study finds
To avoid creating greenhouse gases, it makes more sense to leave land unfarmed in conservation reserves than to plow it up for corn to make biofuel, finds a new Duke University-led study...

3 March 2009
Truth-in-spam-shock: penis enlargement possible
Contrary to conventional medical dogma, a new European study has found that the mechanical devices known as penile extenders do increase the length of the human penis...

2 March 2009
Vege-based drugs inhibit melanoma
Tests on mice suggest that compounds extracted from green vegetables such as broccoli and cabbage could be used as potent weapons against melanoma. The Penn State College of Medicine cancer researchers behind the discovery say that when combined with selenium, the compounds target tumors more safely and effectively than conventional therapy...

27 February 2009
CO2 behind prehistoric global cooling
Ice in Antarctica appeared suddenly (in geologic terms) about 35 million years ago, after more than 100 million years of being ice-free. Scientists have long puzzled over what triggered the formation of Antarctica's massive ice-sheets, and they now believe they know the answer...

26 February 2009
Simplicity of brain's odor encoding revealed
A new theory of how animals smell may be in the offing as scientists reveal that the brain encodes the complex patterns of odors using surprisingly little neural machinery...

24 February 2009
Biodiverse regions are hotspots for war
Over 80 percent of the world's major armed conflicts from 1950-2000 occurred in regions identified as the most biologically diverse and threatened places on Earth...

18 February 2009
Scientists cast doubt on role of free radicals in aging
For nearly half a century, the prevailing dogma as to why we get old has been tied to what is called oxidative stress, where free radicals and ions build up and damage cells. But new research is calling the entire oxidative stress theory into question. In fact, the latest experimental results show that some organisms actually live longer when their ability to clean themselves of this toxic molecule buildup is partially disabled...

17 February 2009
Penguin populations plummeting
Changing weather patterns, over-fishing, pollution and other factors have conspired to drive penguin populations into a precipitous decline, according to long-term research conducted by a naturalist at the Wildlife Conservation Society...

16 February 2009
Dire new warning on climate from IPCC scientist
Previously unconsidered positive feedbacks in the climate system (such as the release of arctic permafrost) have led a Nobel Prize-winning Intergovernmental Panel on Climate Change scientist to warn that "as a society we are facing a climate crisis that is larger and harder to deal with than any of us thought..."

13 February 2009
More evidence for herpes conferring anti-bacterial effect
A new study by scientists at the Trudeau Institute has confirmed intriguing findings from earlier research that showed that mice infected with certain forms of the herpes virus are resistant to infection with bacterial pathogens...

12 February 2009
Chromosome study challenges infidelity dogma
Our surnames and genetic information are often strongly connected, according to the authors of a new study that directly challenges the often quoted one-in-ten figure for children born through infidelity...

11 February 2009
Birth defects linked to obesity during pregnancy
Women who are obese during pregnancy are putting their child at risk of birth defects such as spina bifida, heart defects, cleft palate, brain defects and gastrointestinal defects, according to a new study in the Journal of the American Medical Association...

9 February 2009
Goodbye Mr Nice Guy
Just in time for Valentine's Day, researchers have turned up some new answers to the age-old question of what we want in our partners. It turns out that "chastity" is unimportant and men are more interested in an educated woman who is a good financial prospect; and women are more interested in a man who wants a family and less picky about whether he's a "nice guy"...

6 February 2009
Future sea level rise underestimated
If the West Antarctic Ice Sheet collapses, as many experts believe it will because of global warming, the resulting sea level rise will be significantly higher than is currently projected, a new study has found...

5 February 2009
Primitive whales gave birth on land
A pair of ancient whale fossils - a pregnant female and a male of the same species - reveals how these primitive ancestors of today's whales gave birth and provides new insights into how whales made the transition from land to water...

4 February 2009
"Holographic noise" may herald new era in physics
Physicists at the Centre for Gravitational Physics in Germany are in a lather over what appears to be "holographic noise," minute quantum convolutions of space-time that may prove we exist in a holographic universe...

3 February 2009
New evidence linking marijuana use to brain abnormalities in adolescents
Young people who are heavy users of marijuana are more likely than non-users to have disrupted development in the areas of the brain that are involved in memory, attention, decision-making, language and executive functioning skills...

2 February 2009
Newly discovered non-coding genes control critical disease processes
Researchers have discovered a vast new class of previously unrecognized mammalian genes that do not encode proteins, but instead function as long RNA molecules that play critical roles in both health and disease, including cancer, immune signaling and stem cell biology...

30 January 2009
New evidence for environmental chemicals impacting female fertility
Researchers have found the first evidence that chemicals used in everyday items such as food packaging, pesticides, clothing, upholstery, carpets and personal care products may be associated with infertility in women...

29 January 2009
Fresh concerns about BPA
Common assumptions about the controversial chemical bisphenol A (BPA) may be wrong, with new research showing that high levels of BPA remain in the body even after fasting for as long as 24 hours. This suggests that BPA exposure may come from non-food sources, or, that BPA is not rapidly metabolized, or both...

28 January 2009
Honeybees show surprising numeracy skills
Honeybees can discriminate between patterns containing two and three dots - without having to count the dots, a skill the researchers believe the bees use to navigate their environment...

27 January 2009
Biologists mull rapid, non-adaptive gene mutations
New research suggests that in addition to natural selection, biased gene conversion (a non-adaptive evolutionary process) appears to have made a significant contribution to human evolution...

23 January 2009
Female companions boost male fertility
Living with a female mouse can extend the reproductive life of a male mouse by as much as 20 percent, according to a study which scientists say has significant implications for the maintenance of male fertility in wildlife, livestock and even human populations...

22 January 2009
Estimate of tobacco-linked cancer deaths doubled
The association between tobacco smoke and cancer deaths - excluding lung cancer - in men has been vastly underestimated, according to a new study. The new analysis links smoking to more than 70 percent of cancer deaths - an effective doubling of the previous estimate of 34 percent...

21 January 2009
Therapy and drugs prove to be effective against body dysmorphia
A new meta-study has found that drug therapy and psychotherapy can effectively treat the condition known as body dysmorphic disorder, where sufferers obsess over exaggerated or imaginary physical defects...

20 January 2009
Paradoxically, pollutants causing Nile fishery to grow dramatically
While many of the world's fisheries are in serious decline, the coastal Mediterranean fishery off the Nile Delta has expanded dramatically since the 1980s, thanks to sewage and fertilizer run-off which has caused an explosion in fish numbers...

19 January 2009
Game theory shows why you can't hurry love
English boffins have developed a mathematical model of the mating game to help explain why courtship is often protracted. The study shows that extended courtship enables a female to gather information about the male and screen him out if he is unsuitable as a mate...

16 January 2009
Researchers show off next generation cloaking device
Duke University engineers have produced a new type of metamaterial cloaking device which is significantly more sophisticated at cloaking in a broad range of frequencies...

15 January 2009
Asymmetrical brain gives up its secrets
Two newly identified proteins are responsible for the tug-of-war between the two sides of the developing human brain that causes it to become asymmetrical, a property that is critical in allowing the two brain hemispheres to specialize and operate more efficiently...

14 January 2009
Meta-review slams herbal remedies for menopausal women
Reviewing a variety of herbal treatments taken by women for menopausal symptoms such as hot flushes and night sweats, researchers have identified a pervasive lack of clinical evidence to support the use of such remedies...

13 January 2009
Humans reshaping other species at lightning speed
Human activities such as fishing and hunting are having astonishingly broad and swift impacts on the body size and reproductive abilities of fish and other commercially harvested species, potentially jeopardizing the ability of entire populations to recover, according to a new study...

12 January 2009
Knocking on the door of life: self-replicating RNA synthesized
For the first time, scientists have synthesized RNA enzymes that can replicate themselves indefinitely without the help of any proteins or other cellular components...

9 January 2009
Newly detected cosmic noise hints at mysterious events in universe's past
Newly detected background radio "noise" that is louder than the combined radio emissions of all of the galaxies in the universe suggests something "new and interesting" must have occurred as galaxies first formed, when the universe was less than half its current age...

8 January 2009
Physicists clock elusive repulsive Casimir force
Researchers have detected and measured, for the first time, a repulsive quantum mechanical force that could be harnessed and tailored for a wide range of novel nanotechnology applications...

7 January 2009
Surprising finding from calorie-weight study
An international study has failed to find supporting evidence for the common belief that the number of calories burned in physical activity is a key factor in rising rates of obesity...

6 January 2009
Central tenet of theory of relativity looks shaky
Physicists have developed a promising new way to identify a possible abnormality in a fundamental building block of Einstein's theory of relativity, which, if confirmed, would disprove that the laws of physics remain the same for any two objects traveling at a constant speed...

5 January 2009
Does religion provide an evolutionary advantage?
Religious people have more self-control than their less religious counterparts, leading to lower rates of substance abuse, better school achievement, better health behaviors, less depression and longer lives, claims a new meta-study...