Study: Salamanders in the Appalachians are smaller

Some scientists suggest it could be another sign of climate change. A new study finds salamanders in the Appalachian Mountains are getting smaller. And the researchers think it's because in a drier, warmer climate, the little ...

Twitter record smashed by Brazil v Chile World Cup match

A total of 16.4 million tweets were sent during Saturday's World Cup game between Brazil and Chile, breaking the record for the number of tweets a minute commenting about a match on the social network.

Internet TV startup Aereo suspends service

A US startup firm that allows subscribers to watch broadcast television over the Internet suspended its service on Saturday, three days after losing a Supreme Court ruling.

US company in Iowa churns out 100 cloned cows a year

In the meadow, four white-haired Shorthorn heifers peel off from the others, raising their heads at the same time in the same direction. Unsettling, when you know they are clones.

Winners named in global underwater robot event

Student teams controlling underwater robots from the United States, Canada and Russia were the winners Saturday in a global competition at the only federal freshwater marine sanctuary in the United States.

Mars 'flying saucer' splashes down after NASA test (Update)

NASA has tested new technology designed to bring spacecraft—and one day even astronauts—safely down to Mars, with the agency declaring the experiment a qualified success even though a giant parachute got tangled on the ...

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