With over 300 million receptors in their noses, dogs have a sense of smell one thousand times keener than humans.  This does not put them at the top of the heap. Bears, sharks, kiwi, snakes, and moths also posses superior senses of smell.  However, it is the mighty elephant which tops the sniff charts with the strongest sense of smell identified in a single species so far, a new study has found. "Published in the journal Genome Research, new data has … [Read more...]