The Filthy Truth About Subway Air
Levels of particulate matter in the world’s metro systems far exceed recommended limits—and the deeper you go, the worse it gets. ..
Levels of particulate matter in the world’s metro systems far exceed recommended limits—and the deeper you go, the worse it gets. ..
New calculations suggest that the event horizons will eventually “decohere” quantum possibilities—even those that are far away. ..
The animals evolved into ultra-resilient, disease-free predators while isolated on Auckland Island. Now people want to breed them for organ transplants. ..
The high court has maintained access to a drug used in medication abortion while it weighs a final decision on the pill. ..
The algae Melosira arctica is the foundation of the food chain, and its contamination could have major consequences for ecosystems and the climate. ..
After achieving liftoff, the Starship vehicle failed to separate from its Super Heavy booster rocket. ..
The court has given itself a deadline extension until late Friday night to decide whether mifepristone should remain legal. ..
Scientists believe lasting symptoms following a coronavirus infection is not a single disorder. New clinical trials could more effectively reach solutions. ..
Generative AI promises to streamline health care, but critics say not so fast. ..
Phil Plait’s new book, Under Alien Skies, helps space fans imagine what it would be like to visit stars and other worlds. ..