26/03/2012

Getting the lead out

About 250,000 children in the United States have high levels of lead in their systems, say the Centers for Disease Control. Children under the age of 6 are especially vulnerable to lead poisoning, which can severely affect ...

From foraging to farming: the 10,000-year revolution

Excavation of 19,000-year-old hunter-gatherer remains, including a vast camp site, is fuelling a reinterpretation of the greatest fundamental shift in human civilisation – the origins of agriculture.

Beijing plans rule to curb capital's water usage

Authorities in Beijing plan to pass a rule this year aimed at curbing water usage by the capital's many golf courses and ski resorts, an official said Monday, as the city battles severe shortages.

3Qs: An inside look at the 'Madness'

March Madness is in full swing, offering college basketball fans an onslaught of games that feature epic matchups and dramatic finishes. Alan Zaremba — associate professor of communication studies and associate dean ...

The earliest stages of planet formation

(PhysOrg.com) -- Small dust particles in a disk of gas around a young star, according to current models, gradually coagulate during the first million years until kilometer-sized objects are formed. These in turn coalesce ...

page 6 from 9