Big Science FM: History of an Ancient Sponge - a podcast by Ed Gerstner

Geological evidence suggests that around 650 million years ago, the Earth was covered in ice. It was believed only single-celled organisms could have survived 'Snowball Earth'. Until Adam Maloof found a fossilized sponge predating this by millions of years.

Further episodes of Big Science: What's the Big Idea? From Resonance FM

Further podcasts by Ed Gerstner

Website of Ed Gerstner