New York TImes: A new book says Moscow acquired the secret of the hydrogen bomb not from its own scientists but from an atomic spy at the Los Alamos weapons lab in New Mexico. Historians call its case sketchy but worthy of investigation, saying the book, “The Nuclear Express: A Political History of the Bomb and its Proliferation,” by Thomas C. Reed and Danny B. Stillman, adds to a growing number of riddles about who invented the Soviet H-bomb a half century ago.
For the UNESCO section chief, “striking a balance between global coherence and respect for national ownership and cultural diversity is both essential and complex.”
May 13, 2026 01:46 PM
Get PT newsletters in your inbox
PT The Week in Physics
A collection of PT's content from the previous week delivered every Monday.
One email per week
PT New Issue Alert
Be notified about the new issue with links to highlights and the full TOC.
One email per month
PT Webinars & White Papers
The latest webinars, white papers and other informational resources.