World s Largest Nautilus Fossil Found in Rumelange chronicle.lu - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from chronicle.lu Daily Mail and Mail on Sunday newspapers.
Researchers investigated how the jaw shape of sharks has changed over the course of evolution. Their conclusion: in the most widespread shark species, the jaws show relatively little variation in shape over millions of years; most variable jaws were found for deep-sea sharks.
Evolution of 90 Shark Species Shaped by Habitat, Jaw Study Finds miragenews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from miragenews.com Daily Mail and Mail on Sunday newspapers.
Enormous cave bears, Ursus spelaeus, that once inhabited a large swathe of Europe, from Spain to the Urals, died out 27,800 years ago, around 13 millennia earlier than was previously believed, scientists have reported. Despite over 200 years of scientific study – beginning in 1794 when a young anatomist, J.