Categories
Materials Chemistry

The chemistry of disposable nappies: absorbency, wetness indicators and waste

Five thousand: that’s the number of nappy changes the average child will need. There are several nappy choices available to parents, but disposable nappies make up a large portion of the market – and there’s a fair amount of chemistry behind how they keep a baby dry.

Categories
Biochemistry

How do pregnancy tests work?

Pregnancy has been in the news over the past month, with a royal baby back in October and the usual smattering of celebrity pregnancies. The inspiration for this post, however, originated a little closer to home; let’s just say that, in around 6 months’ time, my wife and I are going to be entering a […]