Explaining dramatic planet-wide changes after world’s last ‘Snowball Earth’ event
Some of the most dramatic climatic events in our planet’s history are ‘Snowball Earth’ events that happened hundreds of millions of years ago, when almost the entire planet was encased in ice up to 0.6 miles thick. New research provides a more complete picture for how the last Snowball Earth event ended, and suggests why it preceded a dramatic expansion of life on Earth, including the emergence of the first animals. …read more