Connecticut, Jan. 28 -- : The Latest Permian Mass Extinction (LPME), which killed between 80 and 90 per cent of all life on Earth, was the biggest extinction in Earth's history to date. However, scientists have been unable to identify the precise reason for the abrupt climate changes.

An international team of scientists is focusing on mercury from Siberian volcanoes that ended up in sediments in Australia and South Africa in order to understand the cause and how the events of the LPME unfolded. This team of scientists includes Professor and Department Head Tracy Frank and Professor Christopher Fielding from the UConn Department of Earth Sciences. Nature Communications has published the study.

Though the LPME happened over 250 million year...