How Tattoos Really Work... At Least in Mice

Check out the great YouTube channel Technicality and get a special offer from Skillshare here: People have been getting tattoos for thousands of years, but we’ve never quite been sure why the ink sticks around under our skin. A group of researchers now think they might have the answer. Plus, scientists are on the road to making drought-proof plants! Hosted by: Stefan Chin ---------- Support SciShow by becoming a patron on Patreon: ---------- Doo