Add Yahoo as a preferred source to see more of our stories on Google. Jellyfish and sea anemones are curious creatures: these organisms evolved without a brain and, as scientists discovered only in ...

Jellyfish and sea anemones are curious creatures: these organisms evolved without a brain and, as scientists discovered only in the past few years, don’t need one to sleep. The animals do, however, ...

Brainless upside-down jellyfish, like this one in its natural habitat near Eilat, Israel, spend about one-third of their time asleep. Gil Koplovitch Why do animals—including humans—sleep? This ...

Jellyfish and sea anemones, despite lacking brains, show sleep behavior similar to that seen in humans, according to a new study published in Nature Communications. Researchers found that these simple ...

The Cleanser, The Toner, The Serum: that’s all a man needs, according to Dior Sauvage’s new “Mencare” line. With a no-fuss approach, the three-act collection is billed as “easy to adopt on a daily ...