You’ll need upwards of $50,000 if you want to own a piece of The Beatles’ early messiness – and a handwritten jab at Paul McCartney from John Lennon himself. John Lennon’s 1962 letter to ...

Three new series comprising 24 novel cationic choline analogues and consisting of mono- or bis (N or C-5-duplicated) thiazolium salts have been synthesized. Bis-thiazolium salts showed potent ...

One of these letters is now up for auction at Christie’s in London on July 9, when it is expected to fetch up to £40,000 ($54,000). Pining after his future wife, Cynthia Powell, while away in ...