Health'Obsolete' muscle that wiggles ears actually activates while listening A muscle that we thought served no purpose beyond enabling some people to wiggle their ears is actually active when we are trying hard to listen 51¶¯Âþ
LifeHow polar bears stop ice from freezing on their fur Indigenous peoples of the Arctic traditionally use polar bear fur for its ice-resistant properties, but the science behind the bears’ natural antifreeze hasn't been studied until now 51¶¯Âþ