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 ...

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 ...

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A team of researchers performed magic tricks for several species of monkey, and they found that the animals’ gullibility may depend on the structure of their hands. Specifically, the team found that ...

IN HIS right hand, Elias Garcia-Pelegrin holds a worm. He pretends to grab it with his left but, while his fingers obscure it, he lets it drop back into the right – a classic sleight of hand called ...