Fact #80

The strongest muscle in human body is the jaw muscle.

Fact #78

In your lifetime, you will produce enough spit to fill two swimming pools.

Fact #74

John Tyler, the 10th president of the US, was born in 1790. His two grandsons are still alive today.

Fact #68

You can’t belch in space — there is no gravity to separate gas from liquid in your stomach.

Fact #58

Synesthesia is a rare condition in which the senses get cross-wired. Stimulation of one sense causes stimulation of another. If you have synesthesia, you may see colours when you hear a sound, or you can taste words!

Fact #55

When Leonardo da Vinci died, King of France, Francis I, used the Mona Lisa to decorate his bathroom.

Fact #52

The present 50-star American flag was designed by a 17-year-old Ohio high-school student Robert G Heft for a class project. His teacher gave him a B– for his work.

Fact #51

Tsutomu Yamaguchi was the only person in the world to have survived two nuclear blasts. He was present in both Hiroshima and Nagasaki when the nukes were dropped. He died in 2010, aged 93.

Fact #50

In 1972, Vesna Vulovic, a flight attendant, fell 33,000 feet in an aircraft explosion and survived. She now holds the Guinness world record for the highest free-fall without a parachute.

Fact #48

If a statue in the park of a person on a horse has both front legs in the air, the person died in battle; if the horse has one front leg in the air, the person died as a result of wounds received in battle; if the horse has all four legs on the ground, the person died of natural causes.

Fact #44

Each nostril of a human being registers smell in a different way. Those by the right nostril are more pleasant than the left.

Fact #42

The palms of your hands and the soles of your feet cannot tan, or grow hair.

Fact #41

Leonardo Da Vinci never signed or dated his most famous painting, the Mona Lisa.

Fact #37

The hair of some cancer patients treated with chemotherapy can grow back in a different color, and sometimes even be curly or straight.

Fact #35

The right lung of a human is larger than the left one. This is because of the space and placement of the heart.

Fact #33

It is physically impossible to urinate and give blood at the same time.

Fact #32

Human saliva has a boiling point three times that of regular water.

Fact #29

The liquid inside young coconuts can be used as a substitute for blood plasma.

Fact #27

Human fingernails grow nearly 4 times faster than toenails.

Fact #26

Men’s shirts have the buttons on the right while women’s shirts have the buttons on the left.