sargassum seaweed dumped on beach

The Great Seaweed Invasion

In the Caribbean, sargassum deposits have grown to unprecedented sizes, obscuring the sand and turning nearshore waters into seething sargassum soup.
Sleeping dog

Extreme Napping in the Animal Kingdom

Although sleep is ubiquitous for animals with brains, differences in how, why, and for how long animals sleep remain unexplained.