Threatened mothers have tougher offspring.(Brief Article)

From: Science News | Date: September 4, 1999| Author: Milius, S. | Copyright information

Radish plants and water fleas that soup up their defenses pass the weaponry down to their offspring, even in experiments where the danger has been removed.

"This is the first time anyone has found an induced defense across generations," says Anurag A. Agrawal of the University of California, Davis. He and his colleagues report their find in the Sept. 2 NATURE.

The discovery bears a spooky parallel to the discredited ideas of 19th-century biologist Jean-Baptis...

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