Physicists say there's an urgent need for nuclear detectives

A terrorist nuclear explosion devastates Manhattan, but no group takes credit. The pressure on the U.S. president to retaliate is intense. Acting on sketchy information, the president orders an attack, but it turns out to ...

MIT expert: How to toughen up environmental treaties

The Kyoto Protocol is one of more than 100 global environmental treaties negotiated over the past 40 years to address pollution, fisheries management, ocean dumping and other problems. But according to MIT Professor Lawrence ...

Expert: AI computers by 2020

A U.S. computer expert predicts computers will have the same intellectual capacity as humans by 2020.

page 2 from 2