Life on Earth has always used four DNA letters, but scientists have created a bigger genetic alphabet and found something unexpected

Scientists have demonstrated RNA polymerase can read eight genetic letters. This enzyme accurately transcribes synthetic DNA, ...

'The question of meaning is the first you must ask yourself, even before taking out your camera': Jean-François Leroy, director of Visa pour l'image, pens letter to youn…

In a book to be published in September, the co-founder and head of the international photojournalism festival in Perpignan, ...