How dogs have such a strong sense of smell • Earth.com

How dogs have such a strong sense of smell

12-28-2017


Today’s Video of the Day comes from the American Chemical Society’s Reactions series and features a look at why dogs have such a great sense of smell.

It turns out that dogs have 220,000,000 olfactory receptors in their noses, allowing them to be excellent candidates for sniffing out bombs, drugs, and even diseases.

One trial found that dogs were able to detect prostate cancer in urine samples with an astounding 98% accuracy.

By Rory Arnold, Earth.com Staff Writer

Video Credit: American Chemical Society

News coming your way
The biggest news about our planet delivered to you each day