February 14, 2017 at 8:02am GMT. Valentine’s Day is dominated by one symbol, and one symbol only: the heart. But it’s not a pumping, accurate scientific drawing we plaster our cards with, so ...

Martin Clayton, senior curator of the Royal Collection, shows Fergus Walsh some of the exhibition highlights The largest exhibition of Leonardo da Vinci's drawings of the human body goes on ...

Leonardo da Vinci's studies of human anatomy were hundreds of years ahead of their time - and his detailed drawings of the heart still resonate today, says a book by a cardiac surgeon.