Deliberately introduced to hunt beetles, invasive cane toad populations have exploded in Australia. Now scientists propose attacking the alien species with ants that feast on cane toad flesh.Video.
Doctors found a nearly two-inch (five-centimeter) fir tree growing inside a man's lung when they operated for a suspected tumor, Russian media are reporting. Video.
On weekends a Colombian schoolteacher straps book bags to a donkey he calls a biblioburro and travels into the countryside to lend books to eager young readers. Video.
Despite being banned in India, cockfighting continues at an annual Hindu festival. "According to tradition, once the festival is over, there should be blood stains on the festival ground," one participant said. Video.
An acoustics engineer in the U.K. claims he's got a key tool in decoding the language of dolphins. He's invented a device that visualizes dolphin sounds, but skeptics have their doubts. Video.
New reports show ice in Antarctica continues melting at an advanced rate in summer months, and ice in the Arctic region is re-forming at a slower rate in winter months.
A major earthquake struck mountainous central Italy, killing more than 90 people and leaving tens of thousands homeless. Buildings more than 500 years old in the medieval town of L'Aquila were among those damaged. Video.
As tornado season touches down in the U.S., see a high-tech tornado chaser's stunning footage of twisters—and of lightning as you've never seen it, in superslow motion.
African penguins, or jackass penguins—the only penguins to breed on the African continent—are dwindling in number, mainly because of pollution and overfishing. Now conservationists hope a fiberglass box can help penguin chicks survive. Video.
A Kazakh woman claims to be 130 years old, making her the oldest living human in history. Her doctor believes she's 130, and her passport is offered as proof, but skeptics question the claim. Video.
New technology allows a person limited control of a humanoid robot, according to the Honda Research Institute. Based on the flow of electricity and blood in a person's brain, the robot reportedly can move its hand, run, and "eat." Video.
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