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logo 11/28/2024 10:43:40 AM     
Can fish learn simple math? They can when a treat is involved 
By Galadriel Watson US Source: washington post 9/21/2022
Galadriel Watson
Credit: iStock		 It’s no shocker that Harry and Hermione would know that 4 – 1 = 3. But what if I told you that this Harry and Hermione aren’t characters in Harry Potter stories — they’re stingrays. And they can still do this type of math.
 

A study from Germany’s University of Bonn tested the mathematical abilities of several freshwater stingrays named after Harry Potter characters. They also tested a type of African fish called a cichlid (pronounced SICK-lid), and they were given names such as Jennifer and Tiffany.

  
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