Zebra mbuna (a species of cichlid fish) and stingrays can add and subtract one from the numbers one to five, according to a study published in Scientific Reports. The findings highlight that the ...
This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. BONN, Germany (StudyFinds.org) – Apparently, ...
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