Lauren Leffer

Lauren Leffer is a science, technology and environmental reporter based in Baltimore. She has published work in National Geographic, Scientific American, Hakai Magazine, Popular Science, Audubon Magazine, Gizmodo and elsewhere. Previously, she was a research entomologist, park naturalist and curriculum developer. She writes on many subjects including artificial intelligence, climate and weird biology because she’s curious to a fault. When she’s not typing, she’s hopefully hiking.

Bluesky:  @laurenleffer.bsky.social

All Stories by Lauren Leffer

  1. Chemistry

    Scientists may have an explanation for why some batteries don’t last

    A long-standing idea of why lithium ion batteries die focuses on lithium movement into the cathode. Instead, hydrogen may be to blame.