"When life got really big" - Tales from a rock whisperer (Free Astronomy Public Lectures)

Presented by Prof. Patricia Vickers-Rich on Friday 7 July 2017.

We have been plotting the history of life around the world and climate over more than 1 billion years. Tonight we will zero in on a time when the Earth's first animals came into the picture - at a time when the planet was in the grips of a massive glaciation, Snowball Earth - which is likely better named Slushball Earth.