Question

How did the football evolve to have its rather unusual shape?

Answer 1

Answer:

A football is a prolate spheroid, and it's shaped that way because that's also the shape of an inflated pig's bladder, which is what the first footballs were made of. ... But as the football evolved — and was constructed of cowhide and rubber — it got even more prolate, which made it easier to carry and easier to throw

Explanation: