Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
"Fish odor syndrome" is a rare genetic disorder that causes people to smell like rotten fish.
5
India used to be the richest country in the world until the British invasion in the early 17th Century.
37
It has been shown that caffeine causes headaches when stopped suddenly and can cause morning headaches that are relieved by a dose of caffeine.
101
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
It takes approximately 12 hours for food to entirely digest.
93
Poor eyesight (myopia) is associated with higher IQ.
232
