Meteors

Since reading Helen Gordon’s The Meteorites, I keep catching myself in imaginary conversation with an Essex thatcher called Frederick Pratt. On 9 March 1923, he was working in a wheat field at Ashdon Hall Farm, near Saffron Walden, when he heard a strange ‘sissing’ sound and looked up to see ‘the earth fly up like water’. He later dug up, from a depth of two feet beneath the surface of the field, a stone weighing 1.27kg that had fallen from the sky. He took it to the police station, then on to the vicar, who shipped it off to the Natural History Museum. There we know it was classified as

In the early 20th century, the world went ‘raving mad on the subject of radium’, according to George Bernard Shaw. The newly discovered element was considered a miracle cure, used to treat about 150 medical complaints. And it was fashionable: society ladies drank afternoon tea in rooms filled with radium vapours, and cosmetic companies developed hair tonics, face lotions and anti-wrinkle creams, all claiming to contain the element. Doramad toothpaste even boasted: ‘Your teeth will shine with radioactive brilliance.’ Of course, the discovery had its down sides. One American tycoon drank so much of the tonic Radithor that his bones began to disintegrate. Then the scientist who discovered the element,