Malaysia Airlines Flight MH370 and the 239 people on it vanished without a trace in 2014. Now, instead of flight data, scientists are turning to biological recordings embedded in ocean life on recovered debris.

This is the idea behind Pop Mech’s new story, “After Years of Dead Ends, a Clue in the MH370 Mystery Was Hiding in Plain Sight. Then Scientists Decoded It.”

Watch the full episode above now, and check out more installments of “The Astounding Pop Mech Show.”