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Warning: They Sting! ZdS#17

Zeste de science

Titre Série

Zeste de science

Numéro de notice

6506

Durée

00:04:47

Année de production

2018

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HD
16/9
Couleur
Sonore

Résumé

The Youtube channel Zeste de science explores all aspects of scientific research, proving that even the most complicated scientific facts can be explained in less than 5 minutes, and that even the most seemingly trivial events of everyday life, if thoroughly studied, can contribute to the biggest technological advances.
Episode 17: Whenever a threat appears near a hive, dozens of bees assemble to draw it off. These bees warn each other of the danger by emitting alarm pheromones, hence their synchronisation. Scientists from Toulouse decided to study bees' brain activity to better understand this behaviour. They discovered that some bees are more aggressive than others, but also that detecting alarm pheromones increases the aggressiveness of all bees, even the calmer ones. This study could help beekeepers keep the hives under control.

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