How could the planet be covered entirely in ice — a state known as ‘Snowball Earth’– and still give rise to multicellular life? The transition to such icy periods may not have been as abrupt as previously thought, new research shows.
How could the planet be covered entirely in ice — a state known as ‘Snowball Earth’– and still give rise to multicellular life? The transition to such icy periods may not have been as abrupt as previously thought, new research shows.