AsapSCIENCE's latest video explains the science behind why dogs are "man's best friend."

   

Facts about the science of man's best friend, as told by Asapscience:

When you express an emotion, dogs interpret that emotion as if you were another dog.

Dogs are believed to have the intelligence level of a two-year-old human.

Some dogs can be trained to detect (via smell) certain diseases and health problems in humans.

Cover image: YouTube