Unearthing Maya ruins with lasers

Plus: The evolution of tuskless elephants, a groundbreaking kidney transplant and more

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10/24/2021 Tuskless elephants became common as an evolutionary response to poachers After poachers tore through a Mozambican elephant population, tuskless females tripled in number as humans altered the species’s evolutionary trajectory. Read More What does the first successful test of a pig-to-human kidney transplant mean?  It’s a step toward vastly increasing the supply of organs. But hurdles remain. Read More Vikings lived in North America by at least the year 1021 Wooden objects provide the most precise dating yet of a Norse settlement in Newfoundland. Read More An atomic clock measured how general relativity warps time across a millimeter A record-breaking result reveals the precision achievable by atomic clocks. Read More Science News is a nonprofit. We depend on our readers to support our journalism. You can help by subscribing for as little as $25. SUBSCRIBE NOW Lasers reveal construction inspired by ancient Mexican pyramids in Maya ruins Archaeologists have uncovered structures in Guatemala that are remarkably similar to La Ciudadela and its temple at the ancient city of Teotihuacan. Read More COVID-19 testing in schools works. So why aren’t more doing it? School COVID-19 testing programs can keep kids in class and safe, but face challenges ranging from deciding on a testing strategy to parental buy-in. Read More How these sea-loving mangroves ended up far from the coast On the Yucatán Peninsula, mangroves trapped nearly 200 kilometers from the ocean are part of a “relict ecosystem” that’s more than 100,000 years old. Read More Here’s the physics of why ducklings swim in a row behind their mother By paddling in just the right spots, ducklings save energy by surfing their mom’s waves, and pass along the benefit to siblings down the line. Read More Privacy policy  |  Update Profile  | Manage Subscriptions  |   Unsubscribe This email was sent by: Society for Science 1719 N Street NW Washington, DC, 20036, US