Accurate frequency measurements of a narrow optical clock transition in 171 Yb atoms trapped in an optical lattice establish this system as a serious contender in the quest to develop increasingly ...

A number of chemically minded readers have pointed out that, thanks to a nearby rare-earth mine, it is home not just to yttrium and ytterbium but also the elements terbium and erbium. Joel ...

More news of elements, from Geoff Maynard of Paddington. “The mention of Tom Lehrer’s Elements (C8 Tuesday) song brought back memories of studying undergraduate chemistry 40 years ago. I learnt the ...