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AnimalsWorm Lovelies
Polyclad flatworms are soft, juicy, and delicate coral-reef dwellers. To avoid predation, many have evolved brilliantly hued coloration. It’s a trait that often signals a critter is toxic, as many of these worms indeed are. Alas, their bright skins are likely not well appreciated by members of their own species, owing to very poor eyesight. […]
By Science News -
PhysicsRoad Bumps: Why dirt roads develop a washboard surface
Experiments and a computer simulation show why dirt roads develop a washboard surface, and indicate the only way to prevent it: Drive very slowly.
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The research described in this article draws sound conclusions.