Climate change led to collapse of ancient Indus civilization, study finds
A new study provides evidence that climate change was a key ingredient in the collapse of the great Indus or Harappan Civilization.
Edible stop signs? A few red chips in the stack cut snacking in half
Once you pop the top of a tube of potato chips, it can be hard to stop munching its contents.
Radioactive bluefin tuna crossed the Pacific to US
Across the vast Pacific, the mighty bluefin tuna carried radioactive contamination that leaked from Japan's crippled nuclear plant to the shores of the United States 6,000 miles away - the first time a huge migrating fish has been shown to carry radioactivity such a distance.
Antioxidant shows promise as treatment for certain features of autism, Stanford study finds
A specific antioxidant supplement may be an effective therapy for some features of autism
21st century bloodletting reduces cardiovascular risk
Two sessions of bloodletting were enough to improve blood pressure and markers of cardiovascular disease.
Aspirin 'may prevent skin cancer'
An aspirin a day may protect against skin cancer, some experts believe.
Too much vitamin D can be as unhealthy as too little, study suggests
Scientists know that Vitamin D deficiency is not healthy. However, new research from the University of Copenhagen now indicates that too high a level of the essential vitamin is not good either.
Bananas are as beneficial as sports drinks, study suggests
Bananas have long been a favorite source of energy for endurance and recreational athletes. Bananas are a rich source of potassium and other nutrients, and are easy for cyclists, runners or hikers to carry.
Researchers Discover Hacker-Ready Computer Chips
A pair of security researchers in the U.K. have released a paper documenting what they describe as the "first real world detection of a backdoor" in a microchip - an opening that could allow a malicious actor to monitor or change the information on the chip.
How the Scent of Fear May Be Picked Up by Others
THE HYPOTHESIS Fish "smell" danger, and perhaps humans do, too.
Spread of Chagas Is Called ‘The New AIDS of the Americas’
Chagas disease, caused by parasites transmitted to humans by blood-sucking insects, has been named "the new AIDS of the Americas" in a lengthy editorial published in PLoS Neglected Tropical Diseases.
'Lung washing' may up transplants
"Washing" lungs before they are transplanted could increase numbers of the organs suitable for donation, according to doctors in Newcastle.
Researchers say tart cherries have 'the highest anti-inflammatory content of any food'
Tart cherries may help millions reduce inflammation to manage pain, according to new research
The special scent of age
People can identify other people's ages based on their body odors, according to a study published May 30 in the open access journal PLoS ONE.
When is it ethical to prescribe placebos?
The American Medical Association's Code of Ethics prohibits physicians from prescribing treatments that they consider to be placebos unless the patients know this and agree to take them anyway.
Ketamine improved bipolar depression within minutes
Reports new study in Biological Psychiatry
Carbon Found in Mars Meteorites (And Why It Has Nothing to Do With Martian Life)
When the Tissint meteorite crashed to Earth in Morocco last year, international drama ensued.
Why Earth is not an ice ball: Possible explanation for faint young sun paradox
More than 2 billion years ago, a much fainter sun should have left Earth as an orbiting ice ball, unfit to develop life as we know it today.
Development of nonvolatile white light-emitting liquid that is coatable on diverse range of materials
A Japanese research team developed a nonvolatile liquid material which emits white light at room temperature.
Modern Birds Are Really Baby Dinosaurs
Modern birds retain the physical characteristics of baby dinosaurs, according to a new Nature study that found birds are even more closely related to dinos than previously thought.
Gonorrhoea cases soar in England
The number of newly diagnosed cases of gonorrhoea in England soared by 25% in 2011 amid fears that the sexual infection is becoming untreatable.
Zircon crystals reveal onset of plate tectonics
We're familiar with the theory that the Earth's crust is composed of tectonic plates that move, until recently nobody knew how long this movement has been going on.
Health benefits of vitamin D dependent on type taken
New research funded by the Biotechnology and Biological Sciences Research Council (BBSRC) has shown that vitamin D3 supplements could provide more benefit than the close relative vitamin D2.
'Like a jet through solid rock': Volcanic arc fed by rapid fluid pulses
In the Chinese Tian Shan Mountains, fluids pushed their way to the earth's mantle from great depths in just 200 years rather than in the course of tens or even hundreds of thousands of years.
Is there a 'healthy' obesity gene?
Researchers investiogate how gene may benefit some obese people
Dark chocolate could prevent heart problems in high-risk people
Daily consumption over 10 years is a cost-effective strategy
Vertebrates share ancient neural circuitry for complex social behaviors, biologists find
Humans, fish and frogs share neural circuits responsible for a diversity of social behavior, from flashy mating displays to aggression and monogamy
Monkey lip smacks provide new insights into the evolution of human speech
Scientists have traditionally sought the evolutionary origins of human speech in primate vocalizations, such as monkey coos or chimpanzee hoots.
Rehab robot helps paralysed rats walk again
Rats paralysed by severe spinal cord injuries have recovered the ability to walk, sprint and even climb stairs, thanks to a rehabilitating robot and a chocolate treat.
How does exercise affect nerve pain?
Experiments show exercise-related reductions in neuropathic pain and inflammatory mediators
Study suggests expanding the genetic alphabet may be easier than previously thought
A new study suggests that the replication process for DNA is more open to unnatural letters than had previously been thought.
Vast cosmic event leaves record in ancient trees
The wooden hearts of two cedar trees hold a 1200-year-old cosmic mystery - evidence of an unexplained event that rocked our planet in the 8th century.
Future medical conditions predicted with new statistical model
Analyzing medical records from thousands of patients, statisticians have devised a statistical model for predicting what other medical problems a patient might encounter.