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two young women gleefully race down a sandy hill
Photo

Young Pettibone

Marian Pettibone (left) and colleague Frances Paulson (right), racing down a sandy......
Preview Sea lions generate thrust, or forward propulsion, by bringing their fore-flippers together in big sweeping motions called “claps.”  When a sea lion “claps,” it stretches its flippers out to the sides and sweeps them down. Then it tucks its flippe

How Do Sea Lions Swim?

A family of tourists in Canada’s Steveston Harbor recently got a treat when a......
June 2017