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 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 ...

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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Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...

A Humboldt's squirrel monkey is misled by sleight-of-hand magic trick the French Drop as part of the experiment. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases ...

The French Drop is a sleight-of-hand magic trick where a coin from one hand is passed to the other while the audience’s attention is distracted elsewhere. Gov. Pritzker’s proposed FY 2026 budget ...

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 ...