How is it possible for investigators to solve a crime that happened 30 years ago? Peter Valentin is a former detective and forensic scientist at the University of New Haven. He tells us how forensic science works and what it's like to work on those cases.

An extinct coral reef in Australia is back, thanks to some music! Dominic McAfee, a marine ecologist from the University of Adelaide in Australia, tells us why colonial fishing killed off reefs and how his team used homemade underwater speakers to bring life back to those reefs.

And RUOK with Hot Pockets?