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.
Antidepressants don't increase pregnancy risks: study
The use of antidepressants during pregnancy is not linked to a higher overall risk of stillbirth and death in newborns, a study said Tuesday, confounding a long-held opposing view of such drugs.
Dried squash holds headless French king's blood: study
Two centuries after the French people beheaded Louis XVI and dipped their handkerchiefs in his blood, scientists believe they have authenticated the remains of one such rag kept as a revolutionary souvenir.
China boom savaging coral reefs: study
China's economic boom has seen its coral reefs shrink by at least 80 percent over the past 30 years, a joint Australian study found Thursday, with researchers describing "grim" levels of damage and loss.
Fists came first for hand evolution, scientists suggest
Biologists say the human hand is a wonder of evolution, providing dexterity that lets our species perform activities as diverse as bricklaying, writing, ice hockey and brain surgery.
Christians most populous of world's religions: report
Christians are the world's biggest religious group, numbering some 2.2 billion people, according to a study released Tuesday by the Pew Forum on Religion and Public Life.
'Worrying' increase in global child trafficking: UN
Children -- most of them girls -- now make up 27 percent of all human trafficking cases, marking an alarming increase in recent years.