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TOKYO (AFP) - It may sound like a sci-fi vision, but Japan's space agency is dead serious: by 2030 it wants to collect solar power in space and zap it down to Earth, using laser beams or microwaves.

Helpful acts, such as grooming or foster parenting, are common throughout the animal kingdom, but accounts of animals rescuing one another from danger are exceedingly rare, having been reported in the scientific literature only for dolphins, capuchin monkeys, and ants. New research shows that in the ant Cataglyphis cursor, the behavior is surprisingly sophisticated.

MOSCOW - Vitaly Ginzburg, a Nobel Prize-winning Russian physicist and one of the fathers of the Soviet hydrogen bomb, has died in Moscow. He was 93.

Editor's Note: This is Part 6 in a 10-part LiveScience series on the origin, evolution and future of the human species and the mysteries that remain to be solved.

This Behind the Scenes article was provided to LiveScience in partnership with the National Science Foundation.

The European Alps are both growing and shrinking, with two dynamic processes acting against each other for a net effect of ... nothing.

In the current atmosphere of heightened concern over the H1N1 virus, the everyday sneeze can trigger fears of totally unrelated hazards, including heart attacks, new research suggests.