Elderly Seabirds Dive Just as Well as Young Ones

If your grandma got up from the sofa, did a couple toe-touches, and then ran a mile at her college track pace, she might be approaching the athletic skill of a thick-billed murre. These seabirds make incredibly deep, long dives to catch prey. As they age, their bodies slow and change like ours. But the athleticism of their dives never changes—a feat that might help scientists understand the enigmas of aging.

“Most of what we know about aging comes from lab animals,” says Kyle Elliott, a g

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