Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain
the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in
Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles
and JavaScript.
Politicians in the United States and the Soviet Union have a serious responsibility towards the arms control negotiations at Geneva — they must keep more quiet than is their habit.
Last Sunday the proton-antiproton collider at CERN generated the world's highest energy interactions yet, in a quest for some strange effects first seen in cosmic rays. The work should continue.
