科学美国人60秒 SSS 2013-10-25(在线收听) |
Called grass hopper mice have an unusual favorite food. Not grass hopper, no, they really like scorpions. You can see theproblem. But the mice shrug off any scorpion things(stings).And the new study shows how. Researcher injected common house mice of(with)scorpion vannam.(venom,)The injection died forseveral minutes. But grass hopper mice injected the vannam fost for only a fewseveral seconds. In fact , they were more bordered by salian solutions. So what’sgoing on?
In the house mouse, a specific type of nerb got a signal channel got activated by vanam. But the same channelin grass hopper mice stayed inactivated by the presence of the vannam. Whichmeans blissfully ignorant. In addition, a path way did reacted to thescorpion vannam.And it actually temporarily block pin signals, means that forgrass hopper mice, scorpion vannam is actually .
Understanding details of this system could approach the treat men to pinion of human.That is someday we might ask:scorpions,where is
This post was generated by put listening repetition system, Check the original dictation thread! |
原文地址:http://www.tingroom.com/lesson/sasss/2013/10/237219.html |