NPR News: Researchers Show Parachutes Don't Work, But There's A Catch

Researchers Show Parachutes Don't Work, But There's A Catch
A study found parachutes were no more effective than backpacks in preventing harm to people jumping from aircraft. The researchers' tongue-in-cheek experiment makes a deeper point about science.

Đọc thêm tại NPR
at December 22, 2018 at 08:01PM
Health & Science