The bird that came back from the dead

New research has shown that the last surviving flightless species of bird, a type of rail, in the Indian Ocean had previously gone extinct but rose from the dead thanks to a rare process called 'iterative evolution'.

US Navy ready to deploy laser for first time

Some of the Navy's futuristic weapons sound like something out of "Star Wars," with lasers designed to shoot down aerial drones and electric guns that fire projectiles at hypersonic speeds.

Work begins on Calif. bullet train, locals angry (Update)

Trucks loaded with tomatoes, milk and almonds clog the two main highways that bisect California's farm heartland, carrying goods to millions along the Pacific Coast and beyond. This dusty stretch of land is the starting point ...

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