The brain makes a lot of waste. Now scientists think they know where it goes ( www.npr.org )
Scientists revealed that Neanderthals cared for their disabled children out of compassion ( socialbites.ca )
Here is the study: https://www.science.org/doi/10.1126/sciadv.adn9310 (archived)...
The fascinating sex lives of insects ( theconversation.com )
Many male insects only get to mate once, even when they aren’t eaten by their partners. For example, male bees ejaculate with such explosive force that it is loud enough for humans to hear. This ensures the sperm is passed to the female, but it results in paralysis of the male, which kills him.