Many sporting leagues are trying to reduce concussion risk, but their policies mainly fail to mention a growing threat.

Science equips us with the tools to reason, evaluate evidence, and make informed decisions in a complex, changing world.

On paying politicians who don’t do the job, and what works to shape the content we see online: an edited selection of your views.

Critiques of method acting misunderstand what method acting is – and dismiss the women who practise it.