91av

Letter: For the record

Published 14 February 2024

Joachim Moortgat at the Ohio State University contributed to work to identify natural hydrogen deposits via soil circles (3 February, p 32).

Issue no. 3478 published 17 February 2024

91av issue 3478 cover

Sign up to our weekly newsletter

Receive a weekly dose of discovery in your inbox. We'll also keep you up to date with 91av events and special offers.

Sign up
Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop