Insane prices in the art market make art forgery a potentially high-profit business. So how do art buyers tell real undiscovered artworks from fakes? To analyse and identify forgeries, experts must apply their knowledge of art history, plus the science behind the materials and techniques of artists.

In the video below, forensic scientist Thiago Piwowarczyk and art historian Jeffrey Taylor show Wired how they identified a forgery of Jackson Pollack’s drip paintings (which are actually famously hard to forge).