Sparring between Attorney General William Barr and Senator Sheldon Whitehouse over the meaning and connotation of the word spying prompted people on Twitter to question the exact definition of the ...

Your story on how the brain stores and organises words gave a fascinating glimpse into the neurological underpinning of category formation (5 January, p 10). It reminded me of the distinction, ...

You wake up on a rainy Sunday morning, buzzing with energy. Your 14-year-old son is out playing football in the mud with his friends, so you jump in. From the window, your wife smiles and says, ...