Animals
Exploring "Why" questions about Animals
295 articles
Why do so many animals have their reproductive systems essentially in the same place as their waste disposal systems?
Because it works well enough. Evolution is not about making something perfect or sensible. It just happened that any little changes to the reproductive system didn't result in any benefit (or were act
Why were prehistoric dinosaurs mean and scary looking but animals today are cute and cuddly?
Read [this answer from Quora](_URL_0_). Tl;dr: Most dinosaurs probably didn't look mean and scary. The problem is that we don't have any actual pictures of them, so we have to figure out how they look
Why are meats like bratwurst and Italian sausages curved, and why isn’t it the same case for hot dogs?
natural sausages are made of ground meat and spices stuffed into an animal's intestine as the casing. the intestine is naturally curvy. hot dogs are ground (puree'd) meat and spices and extruded into
Why do cats (and dogs) react so positively to our petting?
So for cats, its a natural behavior, wild cats, who are friends, will brush up against each other. They do this to create a group scent, now they are not pack animals but they do live in groups, and t
Why is space exploration so important that we spend billions of dollars on it.
It's the future, and whichever country/group of countries has the greatest understanding and control of space technology will have a massive competitive advantage in countless fields. But putting all
Why is salmon the only fish that is smoked?
It's not. My favorite is smoked haddock aka finnan haddie. Smoked whitefish is a standard at Jewish delis.
Why did humans evolve to be so much slower than other meat-eating mammals?
One currently popular theory is that we evolved to be good long distance runners rather than good sprint runners. Most mammals can't pant when running faster than a trot, and so can't regulate their b
Why do dogs sniff their own butts?
Dogs have glands in their butts that emit a smell they use to identify themselves. Hence why dogs sniff each others butts. And I guess dogs like to smell their own for reaffirmation and perhaps to get
Why do animals have different running styles?
Well all animals have different body types and their bone structures vary and that means that their joints will vary. For example. A dog is not nearly as muscular as a Cheetah and it's legs aren't as
Why do dogs bark violently at other dogs when you walk them?
It could be over territory as many dogs are very territorial. It could also be that they are being protective. Dogs are extremely protective and often love you unconditionally.