A dentist in London cracked the secret of how Leonardo da Vinci placed a perfectly proportionate human figure sketch inside a ...

The fact that da Vinci was using this shape in a drawing sketched in 1490 drawing reveals his genius understanding of the human body centuries before modern science came along, Dr Sweeney argues.

Circle earlier rejected acquisition bids by two of the leading crypto industry giants, Ripple and Coinbase (Nasdaq: COIN).