Mystery of how early animals survived ice age

How did life survive the most severe ice age? A team has found the first direct evidence that glacial meltwater provided a crucial lifeline to eukaryotes during Snowball Earth, when the oceans were cut off from life-giving oxygen, answering a question puzzling scientists for years.

Source: Mystery of how early animals survived ice age: New findings further our understanding of extreme climate change and evolution — ScienceDaily

How multi-celled animals developed: Evolutionary discovery to rewrite textbooks — ScienceDaily

New findings challenge the long-standing idea that multi-celled animals evolved from a single-celled ancestor resembling a modern sponge cell known as a choanocyte.

Source: How multi-celled animals developed: Evolutionary discovery to rewrite textbooks — ScienceDaily