At age 12, Tracy Slatyer felt sorry for a book. She read a newspaper article about how lots of people were buying A Brief History of Time by Stephen Hawking. “But then … nobody was actually reading it,” she says. “People were just leaving it on their coffee tables.” Determined to rectify this wrong, Slatyer … Read more
Electric vehicles promise to help wean us off of fossil fuels, but they introduce a new problem: how to get enough of the lithium that EV batteries require (SN: 5/7/19). Materials scientist Chong Liu of the University of Chicago has some ideas. Existing technology can extract lithium only from sources with highly concentrated ions, like … Read more
One of the widest hurricanes on record slammed into Florida’s Gulf Coast on September 26 as a powerful Category 4 storm, inundating Florida’s coast with meters-high storm surge and sending tropical storm–force winds as far as 500 kilometers from its eye. Helene — like so many hurricanes in recent years — seemed to spin up … Read more
Symptoms of depression fluctuate over time, but many brain imaging studies of the condition only study one point in time. That’s made it hard to connect networks of brain activity to various symptoms and mood changes. Now, a new study using long-term brain imaging data shows one brain network involved in guiding attention is nearly … Read more
While SpaceX’s Starlink satellites are enabling internet access and cell phone communications around the globe, they’re also posing a threat to radio astronomy, a new study suggests. In some wavelength bands, unintended leakage of electromagnetic radiation from the latest generation of the satellites is more than 30 times brighter than emissions from previous versions, Cees … Read more
Picture Victorian London, but its skies are filled with airships. Steam-powered robots crowd the streets, mingling with people in top hats and petticoats. That type of retrofuturistic mash-up is the fantasy realm of steampunk, a genre of literature, film and other creative media. Theoretical physicist Nicole Yunger Halpern sees her specialty, the field of quantum … Read more
A perfect storm of climate, geologic and geographic conditions have combined to make Hurricane Helene one of the most devastating storms to ever hit the United States. Days after it slammed into Florida’s Big Bend region on September 26 and traveled hundreds of kilometers inland, Helene’s destructive impact has continued to grow. Fueled by warm … Read more
After a devastating spinal cord injury, mice’s nerve cells balloon up in size. Some of these neurons stay swollen longer than expected and begin to die, a study published September 25 in Science Translational Medicine shows. A drug that brought this swelling down improved the mice’s recovery, though it’s not yet known if the approach … Read more
Betelgeuse, Betelgeuse! The red supergiant that marks Orion’s left shoulder may have a tiny, unseen companion. Two independent studies found evidence of a star about the same mass as the sun, orbiting Betelgeuse about once every 2,100 days. “It was very surprising,” says astrophysicist Morgan MacLeod of the Harvard & Smithsonian Center for Astrophysics in … Read more
Above the cloud tops, thunderstorms throb with a complex, frenetic light show of high-energy radiation. A view from a retrofitted spy plane soaring at 20 kilometers up revealed storms glowing and flickering in gamma rays, high-energy light invisible to the eye. Ten flights with the plane, NASA’s ER-2 aircraft, captured the shimmer of gamma-ray outbursts … Read more