So why do cats really make this weird "stink face?" Turns out it has nothing to do with unpleasant odors — it's actually a sign that they're analyzing chemical signals in their environment.

Take a wild ride with these crazy boat fails and unexpected animal encounters! Watch as boats face unexpected mishaps, from wild crashes to hilarious slip-ups. But that's not all – see animals ...

Towel animals are a beloved cruise tradition, and Carnival stateroom attendant Michael Cajucom shows USA TODAY how to create an elephant at home.

But it may well be that the ingenious machinery produced by billions of years of evolution may be better in some situations than artificial skin (also very much in development) or simpler surfaces.