Sep 13, 2013

Mammoths failed to adapt to warmth: study

A wide-ranging probe into woolly mammoths has added to evidence that they were wiped out by climate change. British and Swedish researchers sequenced DNA from 88 samples of mammoth bone, tooth and tusk, looking for a signature in the genetic code that is handed ...

Seychelles forest frogs hear by using mouths

Sep 6, 2013

Seychelles forest frogs hear by using mouths

Some of the tiniest frogs on Earth have no middle ears or eardrums but can hear by using their mouths, scientists have found. Gardiner’s frogs live in the rain forests of the Seychelles, a series of 115 small islands in the Indian Ocean, north ...

Oh, deer!: U.S. split on culling suburban menace

Sep 6, 2013

Oh, deer!: U.S. split on culling suburban menace

Seconds after Mike Braun spotted the deer in his headlights, his 6-day-old car had $8,000 worth of damage, including a punctured radiator. “It could have been a lot worse,” said the consultant, who lives in Washington, as he recalled his drive home from the ...

Cranes learn migration from elders: study

Sep 1, 2013

Cranes learn migration from elders: study

Whooping cranes learn how to migrate by following elders in their midst, suggesting that social influence has a larger bearing than genetics on the birds’ behavior, scientists say. The large white birds are endangered in the wild of North America, with just one native ...

Sep 1, 2013

U.S. West faces crisis of too many wild horses

The U.S. West is on the verge of a serious horse crisis, says a new paper in Science, which argues that the wild horse population is growing so fast that the government could soon be unable to manage the herds. There are currently some ...

Otters surprise as sea grass saviors

Aug 31, 2013

Otters surprise as sea grass saviors

Otters can help rejuvenate sea grasses, a vulnerable natural resource that protects coastlines and provides habitats for fish, according to new research. Scientists examined how the sea grasses in one area of California rebounded when otters returned to the area, and found that the ...

Aug 28, 2013

Britain begins divisive badger cull over bovine TB fears

A cull of thousands of badgers aimed at combating tuberculosis in cattle has begun in Britain, the National Farmers’ Union (NFU) said Tuesday, sparking anger among animal rights activists. Some 5,000 of the black-and-white creatures are set to be shot under two pilot programs ...

Aug 27, 2013

Caterpillar jumps inside leaf 'vehicle'

The larva of a Vietnamese moth has devised a unique form of transport — constructing a leaf cone and thrashing about inside to make it jump, a recent study showed. Even more remarkably, the tiny caterpillar manages to steer its leafy vehicle in a ...

Aug 21, 2013

DNA variants help bat beat life span rule

From the elephant to the mayfly, biologists say there is a general rule about longevity: the bigger the animal, the longer it lives. But an intriguing exception is the Brandt’s bat, a native of temperate areas of Europe and Asia. The insect-munching mammal tips ...