Podcast

Calcium hypochlorite

2018-05-10T11:00:00Z

A component of 'trench atmosphere' and ‘the most powerful antiseptic known’, Mike Freemantle explores calcium hypochlorite and the birth of a chemical dynasty 

Podcast

Benzoyl peroxide

2016-11-16T17:21:00Z

The blondest blonde, the whitest smile, the clearest complexion – all from one essential compound

Podcast

Sodium hypochlorite

2016-03-09T00:00:00Z

What do hygienic work surfaces have in common with 19th century French violins? Brian Clegg finds out.