‘It’s Okay To Be Smart’ Sniffs Out the Science of Scent and How Many Smells the Human Nose Can Smell

In a recent episode of It’s Okay To Be Smart, host Joe Hanson sniffs out the science of scent and how many smells the human nose can smell. It turns out that figures stating the nose can identify 10,000 different smells were grossly underestimated.

We walk through life led by our noses. Literally. Because they’re on the front of our faces. The sense of smell might be one of the oldest, but how does the science of smell work? How sensitive are our noses? Why are smell-related memories so vivid? How many different smells could we possibly smell? Find out in this week’s It’s Okay To Be Smart!