“Earth’s Mass Extinctions” Talk at Southwest Harbor Public Library

There will be a talk called “Earth’s Mass Extinctions, Past and Present” on Tuesday, July 26, at 5:30 pm at the Southwest Harbor Public Library.  Earth has experienced five mass extinctions over its 4.5-billion-year history. Find out more from Professor Mike Coffin, a marine geophysicist at the Institute for Marine and Antarctic Studies at the University of Tasmania in Australia. For more information, call 244-7065.