One sniff is enough to point rodents towards dinner.
Researchers in India have discovered that a single sniff is enough for a rat to locate the source of an enticing aroma.
Researchers in India have discovered that a single sniff is enough for a rat to locate the source of an enticing aroma.
Their work shows that rats can effectively smell in 'stereo': their two nostrils work independently in much the same way as our ears, with contrasting signals to the brain creating a spatial understanding of sensory information.