Your thumb is about the same size as your nose.
124
The human brain has the capacity to store everything that you experience.
4k
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
Yawns are more contagious among people with closer relationships.
163
Enamel is hardest substance in the human body.
61
The human body contains over a billion miles of DNA.
147