Reptiles are at risk, study finds
Almost one in five of the world's reptile species are in danger of extinction as their habitats are cleared away for farming and logging.
Cosmic ray mystery lifted in new findings
Cosmic rays -- fast-moving particles that constantly pummel our planet -- come from the explosion of supernovae, new research confirmed Thursday, resolving an astronomical mystery.
Genetically engineered virus kills cancer: study
A genetically-engineered virus tested in 30 terminally-ill liver cancer patients significantly prolonged their lives, killing tumours and inhibiting the growth of new ones.
US immigrants' kids almost as well off as natives: study
Second-generation immigrants in the United States are far better off than their parents and almost as well-placed as the offspring of native-born Americans.
Alzheimer's cases to triple by 2050: study
Alzheimer's disease cases in the US will nearly triple in the next 40 years, according to new projections Wednesday that suggest there will be nearly 14 million sufferers by 2050.
Study finds genetic cause for common heart ailment
A genetic variation doubles the risk of developing calcium deposits in the heart, a common condition that, in severe cases, can narrow or block the aorta.
Internet users seeking more 'invisibility': study
Consumer efforts to protect personal data and remain "invisible" online is leading to a "data blackhole" that could adversely impact digital advertisers.
Online search ads expose racial bias: study
Ads pegged to Google search results can be racially biased because of how certain names are associated with blacks or whites.
Couch potatoes have lower sperm counts
Men who watch television for 20 hours per week have almost half the sperm count of those who watch very little television or none at all.
Erectile dysfunction signals heart troubles: study
Erectile dysfunction might signal more than a need for the little purple pill, researchers said Tuesday in a study showing a link with heart disease and early death.
Gays who come out are less stressed: Canada study
Gays and lesbians who come out about their sexual orientation are less stressed than those who remain in the closet, and often more relaxed than heterosexuals.
Women smokers face greater health risks than in past: study
Women smokers are at a greater risk than at any time in recent decades from lung cancer and other ailments linked to their tobacco use.
Climate: 'Rock' fix for oceans is badly flawed: study
Claims that global warming can be braked by dissolving huge quantities of rock in the sea to absorb carbon emissions are laden with flaws.
Some children outgrow autism: study
Some children diagnosed as autistic at a young age see their symptoms completely disappear when they get older, new research shows.
Gene study settles debate over origin of European Jews
Jews of European origin are a mix of ancestries, with many hailing from tribes in the Caucasus who converted to Judaism and created an empire that lasted half a millennium.
Switch out of wood-burning stoves saves lives
Reducing the use of wood-burning stoves in an Australian city led to a sharp fall in deaths from respiratory diseases and heart failure.
Science gets a grip on finger wrinkles
Getting pruney fingers from soaking in the bath is an evolutionary advantage, for it helps us get a better grip on objects under water.
'17 billion' Earth-sized planets in Milky Way: study
The Milky Way contains at least 17 billion planets the size of Earth, and likely many more, according to a study out Monday that raises the chances of discovering a sister planet to ours.
Study reveals new info on how bacteria survive drugs
Researchers have disproved a long-held theory about how some bacteria survive antibiotics and opened the door to new treatments to fight drug-resistant bugs.
Hot chocolate tastes better in an orange cup
European scientists say they have found further evidence that how you serve food and drink matters hugely in the perception of taste.