You're listening to Chemistry in its element brought to you by Chemistry World, the magazine of the Royal Society of Chemistry. Hello, this week we're almost at the top of the periodic table because ...

Helium is one of our few non-renewable resources, and yet it is critical for many applications as an inert gas and as one of the coldest substances known. The unique properties of this “endangered ...

We can thank Mayfair’s Royal Institution for most of these, but the most abundant of the London elements — helium — was first glimpsed from a back garden near Finchley Road. And not by a ...