Something Wiped Out Nearly All Sharks 19 Million Years Ago, New Research Suggests
Scientists have stumbled upon a previously unknown extinction event that decimated ocean shark populations 19 million years ago. The cause of this sudden die-off, in which global shark populations plummeted by 90%, is a complete mystery. The previously unidentified extinction event, as described in a Science paper published today, was discovered by accident. Elizabeth Sibert,…
