Monkey brain business
Primates, from the littlest monkeys to the largest apes, have rather large brains for their size. They also have high neural density, meaning that they pack a large number of neurons into whatever size brain they have. With culture, tool use, and even the beginnings of language, we take a bit of time to visit with monkeys and their amazing minds.
Here are a couple of articles about the cotton top tamarin.
Here’s an article about chimpanzees playing with sticks as though they were dolls.
Here’s a video of one monkey who seemingly revived another monkey after electrocution—monkey CPR?
Here’s a short article about the above video, and whether or not the one monkey was really attempting to revive the other.