Super antifreeze in cells: The ability to survive in ice and snow developed in animals far earlier than we thought
The globe was hot and humid. The sea was teeming with life. Early squids, eel-like fish and sea worms hunted smaller animals. Above ground, however, nothing stirred. The animals had not yet crawled ashore.
That was what the Earth looked like about 450 million years ago at the end of the Ordovicium period.
The warm water created the perfect living conditions for wildlife. But this would soon change. Shortly after, the land masses would began to freeze and an ice cap start to spread.
The water, which had ...














