Lorraine Daston

Perhaps​ you too have planted a hydrangea in your garden, its blossom as blue as blue can be while still in its pot from the nursery, only to watch its colour muddy and turn ever pinker as the plant’s roots sink into alkaline soil. This is an example of the way the visible character of an organism can be modified by its immediate environment – in this case, soil pH. Many other...

Linnaeus accepted the evidence of the astonishing specimens sent to him from far and wide as well as what the microscope revealed of the life teeming in a drop of water. The same Linnaeus who made short work of hydras and unicorns embroidered his own field notes with fanciful mythological references.

On the morning of 30 April 1865, Vice-Admiral Robert Fitzroy, head of the British Meteorological Department, slit his throat. Because Fitzroy had been the captain of the Beagle, which several decades earlier had carried the young Charles Darwin around the world to conduct the research that eventually bore fruit in On the Origin of Species (1859), and because he was a devout evangelical, some...

There has probably never been a society that did not erect barriers to certain kinds of knowledge. Moralists since Greek and Roman antiquity have frowned on busybodies who pry into their neighbours’ private lives; medieval Christian theologians condemned necromancers who wanted to discover the secrets of demons; today we fret about state surveillance of citizens and certain kinds of...

On 28 January 1754, Horace Walpole coined a pretty bauble of a word in a letter to Horace Mann, apropos of a happy discovery made while browsing in an old book of Venetian heraldry: Mann had just sent him the Vasari portrait of the Grand Duchess Bianca Capello, and Walpole stumbled on the Capello coat of arms. He thought this accident to be no accident, but rather a special talent of his,...