Evolution

Researchers at the University of California, Berkeley have found ethanol in the nectar of most plant species examined, meaning pollinators like bees and hummingbirds consume alcohol daily. An Anna's hummingbird drinks an amount equivalent to one human alcoholic beverage per day, yet shows no intoxication. The findings, published March 25 in Royal Society Open Science, suggest evolutionary tolerance to low-level ethanol.

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Scientists have identified a new species of land-dwelling crocodylomorph from 215 million years ago in Gloucester, UK. Named Galahadosuchus jonesi, the reptile had a slender, greyhound-like build for fast movement on land. The discovery honors a schoolteacher who inspired the lead researcher.

A one-eyed creature that lived 600 million years ago is among humanity's oldest ancestors and gave rise to our modern eyes, according to a study from Lund University. Researchers analyzed light-sensitive cells in various animal groups to explain why vertebrate eyes differ from those of others. The study was published in the journal Current Biology.

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Researchers at MIT have discovered chemical evidence in rocks over 541 million years old suggesting that ancient sea sponges were among Earth's first animals. The findings, published in the Proceedings of the National Academy of Sciences, identify molecular fingerprints matching compounds from modern demosponges. This builds on earlier work and confirms the signals originate from biological sources rather than geological processes.