Leona Zacharias Helped Solve a Blindness Epidemic among Premature Babies. She Received Little Credit
Scientist Leona Zacharias was a rare woman. She graduated from Barnard College in 1927 with a bachelor’s degree in biology, followed by a Ph.D. from Columbia University. But throughout her career, she labored behind men with loftier titles who got the bulk of the credit. In the 1940s, when premature newborns were going blind after being
Half of the 250 Kids Expelled from Preschool Each Day Are Black Boys
In early October 2022 Jane Stadnik, a family resource specialist at the Parent Education & Advocacy Leadership (PEAL) Center in Pittsburgh, Pa., got a frantic call from the mother of a three-year-old boy who was about to be expelled from preschool. The school was tiring of his disruptive behavior, which, it claimed, included throwing blocks
Why California Is Being Deluged by Atmospheric Rivers
In an aerial view, cars are submerged in floodwater after heavy rain moved through the area on January 9, 2023, in Windsor, Calif. The San Francisco Bay Area was drenched by powerful atmospheric river events that brought high winds and flooding rains. Credit: Justin Sullivan/Getty ImagesCalifornia is taking a beating from what the National Weather
Scientists See Quantum Interference between Different Kinds of Particles for First Time
For the first time, scientists have observed quantum interference—a wavelike interaction between particles related to the weird quantum phenomenon of entanglement—occurring between two different kinds of particles. The discovery could help physicists understand what goes on inside an atomic nucleus. Particles act as both particles and waves. And interference is the ability of one particle’s
Double Disaster: Wildfires Followed by Extreme Rainfall Are More Likely with Climate Change
These events can cause devastating landslides and flash floodsDebris from a mudslide covers a home on January 10, 2018, in Montecito, Calif. Credit: Justin Sullivan/Getty ImagesEditor’s Note (1/10/23): This story is being republished because the town of Montecito, Calif., was evacuated on Monday following concerns that torrential rains from atmospheric river storms might trigger deadly
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