'Snowball Earth' may have been more of a 'slushball,' providing a refuge for early life
An extreme ice age that left the planet in a state called "Snowball Earth" around 650 million years ago may have actually allowed some liquid oceans to survive and harbor life.
TroibNews 
An extreme ice age that left the planet in a state called "Snowball Earth" around 650 million years ago may have actually allowed some liquid oceans to survive and harbor life.
