Dogs' eyes evolve to appeal to humans
Scientists have found a muscle that allows dogs to make 'puppy eyes' and bond with humans.
from BBC News - World https://www.bbc.co.uk/news/education-48665618
from BBC News - World https://www.bbc.co.uk/news/education-48665618
http://go.oclaserver.com/afu.php?zoneid=1713724
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