Discovery of a new mass extinction

It’s not often a new mass extinction is identified; after all, such events were so devastating they really stand out in the fossil record. In a new paper, published today in Science Advances, an international team has identified a major extinction of life 233 million years ago that triggered the dinosaur takeover of the world. The crisis has been called the Carnian Pluvial Episode.

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Lights out? Fireflies face extinction threats of habitat loss, light pollution, pesticides

Habitat loss, pesticide use and, artificial light are the three most serious threats endangering fireflies across the globe, raising the spectre of extinction for certain species whose features render them more vulnerable to specific threats. Impacts range from loss of biodiversity to ecotourism.

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