Identical twins may not be carbon copies at the DNA level after all. On average, identical twins differ by 5.2 genetic changes, researchers report January…
News published in “Science”
Sometime between around 29,000 and 14,000 years ago, hunter-gatherers navigating northern Eurasia’s frigid landscapes turned wolves into dogs by feeding them lean-meat leftovers. That, at…
Out of the first 1.9 million doses of Pfizer’s COVID-19 vaccine administered in the United States, there were 21 reported cases of severe allergic reactions…
Ancient people brought the plague to Siberia by about 4,400 years ago, which may have led to collapses in the population there, a new genetic…
Anne Gregory remembers the child’s fondness for the Dewey decimal system. He would write down a combination of numbers and letters on a scrap of…
Zinc-air batteries have a lot going for them. They’re lightweight, compact and made of more sustainable, less flammable materials than other batteries. But they’re usually…
On a sweltering afternoon in northeastern Madagascar, the coolness of a leaf’s shade is an attractive respite for a frog. But some of these oases…
The COVID-19 pandemic wasn’t just a shock to the human immune system. It was also a shock to the Earth system, dramatically changing the air…
Science News drew over 22 million visitors to our website this year. Our COVID-19 coverage was most popular. Here’s a recap of the other most-read…
From the biggest merger of black holes to the world’s oldest string — fashioned by Neandertals, no less — discoveries in 2020 set new records…