Deep sea BREAKTHROUGH: UK scientist solves mystery of 520-million-year-old 'MONSTER' A UK scientist has solved the mystery of the origins of a sea creature known as the comb jelly after the discovery of a 518-million-year-old fossil. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Perseids meteor shower 2018: Facts about stunning light show TONIGHTPerseid meteor shower: Can you still see the Perseids TONIGHT? Is the shower over?Perseid meteor shower live stream: In case you missed it - How to WATCH AGAINU.S. Ambassador Denies Threatening Ecuador Over Breast-Feeding ResolutionPerseids 2018 NASA live stream: WATCH Perseid meteor shower online HEREPerseid Meteor shower: Latest pictures as stunning shower to reach peak tonight