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An inch-long critter similar to a millipede looks to be the oldest animal known to have lived on land. Fossil imprints of Kampecaris obanensis from the island of Kerrera in Scotland have been radiometrically dated to around 425 million years ago, in the Silurian period. The arthropod probably fed on decomposing plants on a lakeside. Even earlier land animals, from the Cambrian era, are known to have existed, but only indirectly, from their tracks.
Features & opinion
In 2010, the century-old Empire State Building underwent a “deep energy retrofit” that cut its emissions by 40%. The US$31.1 million overhaul brought savings of more than $4 million per year. Owners aim to cut an additional 40% in the decade to come. “If we can prove it works here, then it can work anywhere,” says Dana Robbins Schneider, the building’s director of energy and sustainability. The Washington Post uses interactive graphics to break down exactly how they did it.
People are coming together on Twitter and Instagram to boost the signal of Black scientists, birders and outdoor explorers in the United States. “For far too long, Black people in the United States have been shown that outdoor activities, such as birding, are not for us,” said naturalist Corina Newsome in a video announcing the project: “We’ve decided to change that narrative.”
Leif isn’t the only penguin who’s stretching their wee little legs. The nightly walk of the fairy penguins on Phillip Island in Australia gets full sports-style commentary in this delightful video.
With contributions by Nicky Phillips, Smriti Mallapaty and Davide Castelvecchi