There’s a fine line between being hailed as a visionary and being denounced as a crank, as Iraq-born physicist Jim Al-Khalili is only too aware. Seated in his office at the University of Surrey in the U.K. on a sunny day, he recalls a less tranquil time in his career, almost 15 years ago. Back then, he and his Surrey colleague, biologist Johnjoe McFadden, explored a strange mechanism to explain how DNA — the molecule that carries our genetic code — may mutate.
Jim Al-Khalili University of Surrey
Johnjoe McFadden University of Surrey
Their theory caused a stir because it invoked quantum mechanics, the branch of physics that describes the behavior of particles in the subatomic realm. Their idea gave some insight into the origins of genetic mutations, which over the centuries have given rise to the variety of species in the biological kingdom, and in the short term can ...