Underwater tests reveal sharks may be smarter than you think

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    Underwater tests reveal sharks may be smarter than you think

    Sharks may be smarter than they seem. Recent experiments reveal they have a grasp of quantity and can learn cognitive skills from other sharks



    Life



    8 May 2019

    blue sharks

    Blue sharks may well be intelligent too

    Chris & Monique Fallows/naturepl.com

    By Ruby Prosser Scully

    SHARKS may be even more calculating than they seem. They can learn cognitive skills from other sharks and recent experiments reveal they have a grasp of quantity.

    Vera Schluessel at the University of Bonn in Germany and her colleagues tested how well 12 bamboo sharks could recognise different numbers of objects.

    Each shark was put in a training pool with pictures of two different groups of geometric shapes projected onto a wall. The team then cycled through at least 40 objects of different shapes and shades …

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