Land animals evolved from ocean ancestors – new study unravels the genetics behind the transition

The transition from water to land is a question that still intrigues scientists. Those ancient organisms would have needed to ...
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Nodding off is dangerous. Some animals have evolved extreme ways to sleep in precarious environments

Every animal with a brain needs sleep — and even a few without a brain do, too. Humans sleep, birds sleep, whales sleep and even jellyfish sleep. Sleep is universal “even though it’s actually very ...