A School of Fish, Captured in a Fossil A slab of rock and the methods used to study it could offer clues to when a behavior common in fishes first evolved. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:GUT BREAKTHROUGH: Lab-grown human colons could signal end of IBS and colon cancerCOUNTDOWN to the 2017 solar eclipse! See if YOUR town will witness celestial spectacularTrilobites: Waves Above the Earth May Have Once Caused a ‘Nocturnal Sun’Astronomers close to finding massive NINTH planet in the Solar SystemTurkey Drops Evolution From Curriculum, Angering SecularistsWATCH LIVE: SpaceX launches reusable rocket from NASA’s Kennedy Space Centre