Science Stories with Joe Johnson

Our resident Science Guy Joe Johnson is back with the science stories that caught his eye recently, including ancient tattoo patterns revealed on mummies in Peru using lasers; how your ear muscles “wiggle” when you struggle to listen; and that asteroid that could hit Earth in December 2032.

Image: A tattooed, mummified hand of a Chancay person from Peru from 1,200 years ago. (Credit: Michael Pittman and Thomas G. Kaye)