Why penguin poop might be protecting Antarctica from rising temperatures

In December 2022, Matthew Boyer hopped on an Argentine military plane to one of the more remote habitations on Earth: Marambio Station at the tip of the Antarctic Peninsula, where the icy continent stretches toward South America. Months before that, Boyer had to ship expensive, delicate instruments that might get busted by the time he landed.

“When you arrive, you have boxes that have been sometimes sitting outside in Antarctica for a month or two in a cold warehouse,” said Boyer, a...