Supercooled water is two of a kind, a new study shows. Scientists have long suspected that water at subfreezing temperatures comes in two distinct varieties: a high-density liquid that appears at very high pressures and a low-density liquid at lower pressures. Now, ultrafast measurements have caught water morphing from one type of liquid to the […]
2022 was the year many people decided the coronavirus pandemic had ended. President Joe Biden said as much in an interview with 60 Minutes in September. “The pandemic is over,” he said while strolling around the Detroit Auto Show. “We still have a problem with COVID. We’re still doing a lot of work on it. […]
A group at the National Bureau of Standards at Boulder, Colo., now reports an extremely accurate [speed of light] measurement using the wavelength and frequency of a helium-neon laser.… The result gives the speed of light as 299,792.4562 kilometers per second. UpdateThat 1972 experiment measured the two-way speed of light, or the average speed of […]
Some immune defenses of the brain may have their roots in the gut. A new study in mice finds that immune cells are first trained in the gut to recognize and launch attacks on pathogens, and then migrate to the brain’s surface to protect it, researchers report online November 4 in Nature. These cells were […]
It’s official: 2020 now has the most named storms ever recorded in the Atlantic in a single year. On November 9, a tropical disturbance brewing in the northeastern Atlantic Ocean gained enough strength to become a subtropical storm. With that, Theta became the year’s 29th named storm, topping the 28 that formed in 2005. With […]
Brains are like sponges, slurping up new information. But sponges may also be a little bit like brains. Sponges, which are humans’ very distant evolutionary relatives, don’t have nervous systems. But a detailed analysis of sponge cells turns up what might just be an echo of our own brains: cells called neuroids that crawl around […]
he James Webb Space Telescope has been a long time coming. When it launches later this year, the observatory will be the largest and most complex telescope ever sent into orbit. Scientists have been drafting and redrafting their dreams and plans for this unique tool since 1989. The mission was originally scheduled to launch between […]
The "Fire Nagy" chants can be heard all over Chicago, from Soldier Field all the way to Matt Nagy's son's football games. The Bears have now lost five straight games, and fans are frustrated, to say the least. They have aimed their anger at the 43-year-old head coach, who has found himself in the middle […]
The WBO welterweight belt will be on the line when Terence Crawford and Shawn Porter meet in Las Vegas on Saturday night. Crawford, widely considered one of the best fighters in the world regardless of weight class, enters the bout with a perfect 37-0 record. He has successfully defended the WBO title four times since […]
Olympic gold-medal winning gymnast Suni Lee said she was the victim of a racist attack in October. Lee told PopSugar that when she was out with friends in Los Angeles one night, a group speeding by in a car yelled racial slurs and that one passenger in the car sprayed her in the arm with […]