Of the roughly 1 million named insect species on Earth, about 400,000 are beetles. And that’s just the beetles described so far. Scientists typically describe thousands of new species each year. So — why so many beetle species? Entomologist Caroline Chaboo: “We don’t know the precise answer.” But clues are emerging. 🔗 "Why are there so many beetle species?"

Knowable Magazine | Annual Reviews

Why are there so many beetle species?

Diet played a key role in the evolution of the vast beetle family tree

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As glacial cliffs break off and destabilize frozen landscapes, glaciologist Richard Alley focuses on the fractures. The work could improve predictions about future sea-level rise. #WorldWaterDay 💧

Knowable Magazine | Annual Reviews

The race to understand polar ice sheets

As glacial cliffs break off and destabilize frozen landscapes, glaciologist Richard Alley focuses on the fractures. The work could improve predicti...

#KnowableMagazine #ScienceMastodon