conservation biology
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Company Trying to Resurrect a Mammoth Makes a Stem Cell Breakthrough
Colossal Biosciences, which calls itself “the world’s first de-extinction company,” has created stem cells it thinks will hasten the company’s marquee goal of resurrecting the woolly mammoth. The team’s research describing the accomplishment will be hosted on the preprint server bioRxiv. The cells are induced pluripotent stem cells (iPSC), a type of cell that can…
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12 Award-Winning Nature Photos to Remind You That Outside Exists
As a kid, I spent most of my time entranced by the natural world. There were the anthills I’d find on miniature backyard safaris and the newts I’d scoop up from the stream behind my elementary school. There were the fish at the aquarium, and the hours-upon-hours of Discovery Channel and Animal Planet content I…
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This Butterfly May Have Been the First Insect Driven Extinct by U.S. Urbanisation
Scientists say they’ve confirmed a decades-old suspicion about the loss of the Xerces blue butterfly in the U.S by the 1940s. Based on genetic analysis of a 93-year-old specimen and others, they say the Xerces blue really was a distinct species of butterfly, rather than a sub-group of another existing species, as some scientists have…
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7 ‘Extinct’ Species That Eventually Reappeared
Sometimes, we give up on a species too soon. Just because it’s been a few decades or even centuries since a creature showed its face, doesn’t always mean it’s truly extinct. These so-called Lazarus species — named for a man resurrected by Jesus in the Gospel of John — often evade our notice because of…