This week’s Filtrate features a slice of violent history from Asia, ancient tools, intoxicated tentacle porn, sick penguins, and more.

In the Plague Year of 2020, I started posting a weekly update of selected science news, which I called ‘The Filtrate.’ Now I’m starting it up again. Welcome to this week’s collection of stories about science and science communication, plus maybe a few bits that were too weird not to include.