This article (Why women cover their breasts?) tells reasons why women cover their breasts. Especially in this quote: However, biologically speaking, according to Larry Young, one of the world’s leading experts in the neuroscience of social bonding, this human male breast obsession is pretty weir...

Minibrains are lab-grown balls of neurons that have some (distant) semblance to a brain. One study showed that cells with the genome replaced with Neanderthal genes produced mini-brains that were "smaller and bumpier" than the Sapien mini-brains, suggesting a difference between the two species. T...