translation.en: So snakes have heat pits with which to detect infrared, and the ghost knifefish has electroreceptors, and the star-nosed mole has this appendage with 22 fingers on it with which it feels around and constructs a 3D model of the world, and many birds have magnetite so they can orient to the magnetic field of the planet.
translation.zh: 比如蛇的面部拥有能 探测红外线的感热小坑， 魔鬼刀鱼有电接收器， 星鼻鼹鼠拥有 带有22个指头的附器， 让它能感受周边环境并 构建出三维世界， 许多鸟类拥有磁感应的本领， 所以它们能够 通过地球的磁场确定方向。