pretty accurate >> People don't laugh at the same things. Does that mean they differ in smartness? Smart people laugh at the same things people that are not smart do if it is funny. If it's funny perceived smartness is irrelevant.
The mother gorilla's hand is similar to a human hand, just more leathery as she leads a tough life. The baby's foot is much less rough, you can see the loving way the mother rubs her young one's feet ❤️