Why Do Men Have Nipples?
Cara Santa Maria here. Why do men have nipples? I mean, people are mammals who evolved from other mammals. If you go back far enough in the evolutionary chain, our ancestors were no longer all that mammal-ish, but that was over 200 million years ago.
How can sea mammals drink saltwater?
Although some marine mammals are known to drink seawater at least on occasion, it is not well established that they routinely do so. They have other options ... these animals can live without drinking fresh water at all. Some species of seals and sea ...
You’re Just Going To Have To Hold It
Some do. All hibernating mammals have periods of arousal, which may occur weekly or monthly, depending on the animal. During these periods the animals stretch, move around, and sometimes urinate or defecate. The main purpose of hibernation is to conserve ...
Superheroes program teaches visitors about marine mammals
And what do dolphins and porpoises have in common with Daredevil? All of them can "see" with sound. It turns out that marine mammals and superheroes share a number of characteristics. Many of those common traits are spotlighted in a new family-oriented ...
Can evolution explain why so many domesticated mammals have floppy ears?
Take a look at several domesticated mammal species and you might ... They differ from their wild ancestor wolves in all the above listed features of domestication syndrome. Dogs aren’t the only examples, of course. Humans have also domesticated cattle ...