[ i ] Scientists found modern domestic horses’ homeland in southwestern Russia
[ i ] Vikings lived in North America by at least the year 1021
[ i ] Here’s the physics of why ducklings swim in a row behind their mother
[ i ] Here’s what we know about booster shots for Moderna’s and J&J’s COVID-19 vaccines
[ i ] An agile gecko found in India named after the legendary Jackie Chan
[ i ] COVID-19 testing in schools works. So why aren’t more doing it?
[ i ] An atomic clock measured how general relativity warps time across a millimeter
[ i ] 5 cool things to know about NASA’s Lucy mission to the Trojan asteroids
[ i ] Barnacles are famed for not budging. But one species roams its sea turtle hosts
[ i ] Earth is reflecting less light. It’s not clear if that’s a trend
[ i ] A Jupiter-like planet orbiting a white dwarf hints at our solar system’s future
[ i ] Huge numbers of fish-eating jaguars prowl Brazil’s wetlands
[ i ] Nostalgia may have bona fide benefits in hard times, like the pandemic
[ i ] The fastest-spinning white dwarf ever seen rotates once every 25 seconds
[ i ] Methods of getting results from real-world experiments win 2021 economics Nobel
[ i ] The earliest evidence of tobacco use dates to over 12,000 years ago
[ i ] Dog DNA reveals ancient trade network connecting the Arctic to the outside world
[ i ] How catching birds bare-handed may hint at Neandertals’ hunting tactics
[ i ] China’s lunar rock samples show lava flowed on the moon 2 billion years ago
[ i ] How our SN 10 scientists have responded to tumultuous times