Scholars find cannibalism at Jamestown settlement

Scientists revealed Wednesday that they have found the first solid archaeological evidence that some of the earliest American colonists at Jamestown, Virginia, survived harsh conditions by turning to cannibalism.

Early warning signs of population collapse

Many factors—including climate change, overfishing or loss of food supply—can push a wild animal population to the brink of collapse. Ecologists have long sought ways to measure the risk of such a collapse, which could ...

Good parents are predictable -- at least when it comes to corn

In order to breed new varieties of corn with a higher yield faster than ever before, researchers at the University of Hohenheim in Stuttgart, Germany, and other institutions are relying on a trick: early selection of the ...

Fast-growing India needs '2nd green revolution': PM

Indian Prime Minister Manmohan Singh called Saturday for a second "green revolution" to feed the country's burgeoning population that is forecast to overtake China in numbers by 2025.

More frequent drought likely in eastern Africa

The increased frequency of drought observed in eastern Africa over the last 20 years is likely to continue as long as global temperatures continue to rise, according to new research published in Climate Dynamics.

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