News tagged with layer

Researchers say a comet killed the dinosaurs

In a geological moment about 66 million years ago, something killed off almost all the dinosaurs and some 70 percent of all other species living on Earth. Only those dinosaurs related to birds appear to have survived. Most ...

dateApr 04, 2013 in Earth Sciences
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Explainer: What is a virtual private network (VPN)?

Have you ever wanted to exist in more than one place at the same time? The laws of physics suggest wormholes through space and time are hypothetical; but wormholes do exist in cyberspace and wonders can be found on the other ...

dateJun 17, 2013 in Internet
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Explained: How does a soccer ball swerve?

It happens every four years: The World Cup begins and some of the world's most skilled players carefully line up free kicks, take aim—and shoot way over the goal. The players are all trying to bend the ball into a top corner ...

dateJun 16, 2014 in General Physics
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