‘Penis Worms’ May Have Been the First Hermits

Consider this evolutionary dilemma, faced by the aquatic and squishy: How do you survive in hostile, predator-filled oceans? Squid rely on speed or camouflage. Snails develop complex shells. Hermit crabs borrow those complex shells when other animals aren’t using them, trading them out for bigger models as they grow. This sheltering strategy was believed to have emerged 180 million years ago in the Jurassic Period, when hermit crabs’ ancestors appeared in oceans, said Martin Smith, a paleontologist at the University of Durham in England. But in a study published Monday…

Major UN biodiversity summit delayed for third time due to pandemic

A key United Nations biodiversity summit has been delayed for a third time due to the pandemic, the Chinese environment ministry has announced, as environmentalists pledged the delay would “not mean taking our foot off the pedal”. In a statement, the Chinese ministry of ecology and environment confirmed that Cop15, the biggest biodiversity summit in a decade, would be delayed, and that negotiations for this decade’s targets will be split into two phases so that governments can meet face-to-face in Kunming, China, in the first half of 2022. The talks…