After 25 years at sea, Mario Salsedo has lost his “land legs.” After so much time on cruise ships, he says he’s nearly …
Adaptation
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Flounder once posed a puzzle for scientists. To study how fish adapt to their surroundings, researchers placed a flat glass tank over a chessboard. Over time, the fish became so…
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Camels live in some of the hottest places on Earth, yet they barely sweat. The body temperature of these “ships of the desert” can rise to 104 degrees Fahrenheit (40…
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Plants are vulnerable to sudden cold snaps. That’s largely because the cells of crops like wheat are about 80 percent water. When temperatures fall low enough for that water to…