An illusion involving a hidden thumb confounds capuchin and squirrel monkeys for the same reason it does humans -- it misdirects expected outcomes of actions they can carry out. However, marmosets ...

Sleight of hand expert Ben Seidman is back with Vanity Fair to review more sleight of hand tricks, pickpocketing and psychological magic in films including 'The Wonderful Story of Henry Sugar,' 'Shade ...

A Humboldt's squirrel monkey is fooled by the "French Drop" magic trick. Credit: E. Garcia-Pelegrin et al., 2023 The key to a successful sleight-of-hand magic trick is how well a magician manipulates ...

A centuries-old sleight of hand technique continues to captivate modern audiences with its deceptive simplicity. While it ...

This trick required the scientists to put food in one hand, and present that hand to each individual monkey. Clayton (a professor of Comparative Cognition at the University of Cambridge and a Fellow ...

Sleight of hand expert Ben Seidman reviews and demonstrates sleight of hand tricks, pickpocketing, and psychological magic in films including 'Ocean's 8,' 'My Cousin Vinny,' 'The Recruit,' 'Focus,' ...

Psychologists used a sleight-of-hand trick called the French drop, in which an object appears to vanish when a spectator assumes it is taken from one hand by the hidden thumb of the other hand. The ...