popular science

A purring cat is not always contented

20 May 2023 9:00 am

In his vast survey of felines wild and domestic, Jonathan Losos reveals, among much else, that a cat’s purr can convey hunger or panic as well as pleasure

The dangerous allure of the unseen. Students of the occult are alarmed by their own success in conjuring up the dead

An invisibility cloak? You might just be able to see it on the horizon...

9 August 2014 9:00 am

The best books by good writers — and Philip Ball is a very good writer indeed — are sometimes the…