Study reveals why our ancestors switched to bipedal power

(PhysOrg.com) -- Our earliest ancestors may have started walking on two limbs instead of four in a bid to monopolise resources and to carry as much food as possible in one go, researchers have found.

Greenland becomes new promised land for oil firms

Large, untapped oil and gas reserves have been attracting oil firms to Greenland, which hopes the resources will help speed up its independence, but there is unwanted attention from environmentalists.

Diet at the docks: Living and dying at the port of ancient Rome

Portus Romae was established in the middle of the first century AD and for well over 400 years was Rome's gateway to the Mediterranean. The port played a key role in funnelling imports—e.g. foodstuffs, wild animals, marble ...

Fracking shifts global energy balance

North America's shale oil and gas boom has shifted the balance in global energy markets, giving the US and Canada new leverage as exporters, despite the Middle East retaining a pivotal role.

US beaches laden with sewage, bacteria: study

US beaches can be dirty places, making about 3.5 million people sick each year from sewage in the water, said an annual study Wednesday that rates American beaches by how dirty they are.

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