Honeybees let out a ‘whoop’ when they bump into each other - A vibrational pulse produced by honeybees, long thought to be a signal to other bees to stop what they are doing, might actually be an expression of surprise.

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Honeybees let out a ‘whoop’ when they bump into each other - A vibrational pulse produced by honeybees, long thought to be a signal to other bees to stop what they are doing, might actually be an expression of surprise.