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Consumer efforts to protect personal data and remain "invisible" online is leading to a "data blackhole" that could adversely impact digital advertisers.

• 06 февраля 2013, 18:46

Ads pegged to Google search results can be racially biased because of how certain names are associated with blacks or whites.

• 05 февраля 2013, 14:23

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.

• 05 февраля 2013, 11:58

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.

• 31 января 2013, 15:00

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.

• 30 января 2013, 12:54

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.

• 25 января 2013, 15:48

Claims that global warming can be braked by dissolving huge quantities of rock in the sea to absorb carbon emissions are laden with flaws.

• 22 января 2013, 13:31

Some children diagnosed as autistic at a young age see their symptoms completely disappear when they get older, new research shows.

• 19 января 2013, 13:50

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.

• 18 января 2013, 18:59

Reducing the use of wood-burning stoves in an Australian city led to a sharp fall in deaths from respiratory diseases and heart failure.

• 10 января 2013, 13:02

Getting pruney fingers from soaking in the bath is an evolutionary advantage, for it helps us get a better grip on objects under water.

• 09 января 2013, 17:41

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.

• 08 января 2013, 10:08

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.

• 05 января 2013, 14:31

European scientists say they have found further evidence that how you serve food and drink matters hugely in the perception of taste.

• 04 января 2013, 15:08

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.

• 02 января 2013, 14:26

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.

• 31 декабря 2012, 11:58

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.

• 27 декабря 2012, 18:54

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.

• 21 декабря 2012, 10:05

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.

• 18 декабря 2012, 16:50

Children -- most of them girls -- now make up 27 percent of all human trafficking cases, marking an alarming increase in recent years.

• 13 декабря 2012, 15:17