Overall, one thing’s clear, humans aren't the only one who has it rough when it comes to giving birth. What’s the craziest animal fact you know? Tell us in the comments. And thanks for watching.
Narrator: Scientists have studied a lot of pregnant animals in space ... there's a good chance that one day humans will give birth somewhere beyond Earth, and that brings up some interesting ...
Human childbirth can be a long, painful, drawn-out process, needing assistance and sometimes taking days. So why do close living relatives like chimps have an easier labour, giving birth in hours ...