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Special episode

Mon, 2nd Feb 2015

Chicks can count too!

One day old Chick (c) Fir0002

Humans do it. Primates do it. And now it's been found out that birds can also do it - 3 day old chickens have been shown to order numbers low to high, from left to right - just like on a ruler! The findings, published in Science, could indicate that this numerical ability is a feature of evolution, rather than culture - and could help explain why we pay more attention to things presented to our left... Zoologist Hannah Rowland from the University of Cambridge put Graihagh Jackson's numerical skills to the test... 

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