Smithsonian Magazine on MSN5 天
Why Do Mammals Have Outer Ears? Scientists Are Getting Closer to Solving the Mystery
Two new studies offer insights into the evolution and development of external ears, which appear in humans and other mammals ...
Psychology Today1 个月
Do Other Mammals Dream?
The challenge is that we only have one brain to work with. How do mammals solve this problem? About 2 million years ago (that’s the current guess) brains became sufficiently complex that they ...
BBC2 年
What are mammals?
They do have a few wiry hairs though. And they are the biggest m mammals on land. They’re not the tallest though, that’s the giraffe. These amazing mammals have long necks to help them eat the ...
Live Science on MSN8 个月
Why do most mammals have 5 fingers?
Even if some might be shrunken or differently positioned, all of these mammals have five digits, or fingers. Why do we share ...