科学美国人60秒 | 海蛇尾没有眼睛也能看见

【新朋友】点击标题下面蓝字【可可英语】加关注【老朋友】点击手机右上角图标【转发分享】内容听力文本This is Scientific American's 60-second Science, I'm Christopher Intagliata.Brittle stars are close relatives of starfish with a much more delicate appearance."So if you imagine a starfish with really skinny, spiny arms, made up of lots of little articulated plates, that's kind of what a brittle star looks like—a cross between a millipede and a starfish, I guess."Lauren Sumner-Rooney is a visual ecologist at Oxford University. One of the brittle star species she studies, Ophiocoma wendtii, also has color-changing superpowers."If you catch one of these animals during the day, they're a really beautiful reddish brown, dark brown color. If you actually go out again at night and collect the same animal, they're this very pale beige with dark ………………………………