A stance against forced retirement
Paul Ewart says there is little evidence that forcing active physicists to retire “frees up” positions
The vagabond physicist
Andrew Robinson reviews Einstein in Bohemia by Michael Gordin
Climate change is a ‘Pascal’s wager’: so how will you act?
Businesses must take action on climate change, which is why – says James McKenzie – it’s an example of a “Pascal’s wager”
Worlds beyond Earth
The Hayden Planetarium’s new space show has high production values and a strikingly earthy flavour, finds Robert P Crease
Death by prime numbers
David Appell reviews Prime Suspects: the Anatomy of Integers and Permutations by Andrew Granville, Jennifer Granville and Robert J Lewis
The secret to flying carbon-free
James McKenzie wonders how realistic it will be to de-carbonize air travel
More questions than answers
Qamar Scott reviews Extraterrestrial Languages by Daniel Oberhaus
An uncertain growth
Susan Curtis reviews Growth: From Microorganisms to Megacities by Vaclav Smil
Why do people still believe in conspiracy theories?
Robert P Crease wonders why so many people still get fooled by conspiracy theories
A critical mass of secrets
Margaret Harris reviews Trinity: the Treachery and Pursuit of the Most Dangerous Spy in History by Frank Close
