News
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TechLaser beam powers flying machine
Caught in a laser's glare on its maiden launch, a lightweight drone with a solar panel demonstrated that continuous flight powered by ground-based lasers is possible.
By Peter Weiss -
Chronicling a war of beetle vs. leaf
A meshing of family trees provides a rare example of an arms race between toxic Bursera plants and the beetles that manage to eat them anyway.
By Susan Milius -
AnthropologyEurope’s Iceman was a valley guy
The 5,200-year-old Iceman, whose mummified body was found 12 years ago in the Alps between Italy and Austria, spent his life in the valleys just south of where his body was found, according to chemical analyses of his remains.