By Hiroko Tabuchi and Mira Rojanasakul At the height of the Los Angeles County wildfires, atmospheric concentrations of lead, a neurotoxin, reached 100 times average levels even miles from the ...

Copyright 2025 The Associated Press. All Rights Reserved. Norway’s Atle Lie McGrath celebrates at the finish area of an alpine ski, men’s World Cup slalom, in ...

Jess Thomson is a Newsweek Science Reporter based in London UK. Her focus is reporting on science, technology and healthcare. She has covered weird animal behavior, space news and the impacts of ...