Researching family history is a popular hobby. But hobbyists can find themselves unearthing details of ancestors behaving badly or treated cruelly – or family secrets and trauma.
Some of the most innovative people in the world earn Nobel Prizes. Scholars of creativity identify what they have in common and what regular people can learn and emulate from their examples.
I’m a mathematician whose hobby is origami. It has inspired mathematicians to solve problems once thought impossible, and create folding telescope lenses, airbags and solar panels.