Archive: 01/23/2012

Ancient lessons for a modern challenge

What caused the collapse of the Cambodian city of Angkor, the largest preindustrial city in the world, 600 years ago? Previous research suggests war and overexploitation of the land were to blame, but a new ...

Jan 23, 2012 4.7 / 5 (3) 1

Stellar embryos

(PhysOrg.com) -- Stars form as gravity coalesces the gas and dust in interstellar clouds until the material produces clumps dense enough to become stars. But precisely how this happens, and whether or not ...

Jan 23, 2012 5 / 5 (4) 6 | with audio podcast

Low carbon, moderate income and long life

(PhysOrg.com) -- A new study shows that countries with high incomes and high carbon emissions do not achieve higher life expectancies than those with moderate incomes and lower carbon emissions.

Jan 23, 2012 4.2 / 5 (5) 0

Saving the snow leopard with stem cells

(PhysOrg.com) -- The survival of the endangered snow leopard is looking promising thanks to Monash University scientists who have, for the first time, produced embryonic stem-like cells from the tissue of ...

Jan 23, 2012 3.5 / 5 (2) 0