Psychoactive psilocybin’s evolution in ‘magic mushrooms’

Largest diversity study of the genus Psilocybe investigates the evolution of psilocybin production. They found that Psilocybe arose around when the dinosaur-killing asteroid caused a mass extinction event.

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Why lists of worldwide bird species disagree

Data gaps and species similarities may lead to undercounting biodiversity.

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Fossil species named for U professor Kathleen Ritterbush

Name honors Ritterbush’s research in the rock formation where the fossil shell was found.

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