If irony is the hygiene of the mind, then it’s also the scourge of Tom Painter’s sinuses. Painter, 52, a NASA scientist allergic to both dust and soot, is laid low by migraines when he inhales either ...

Dust particles thrown up from deserts such as the Sahara and Gobi are playing a previously unknown role in air pollution, a new study has found. The international study published in National Science ...