Building on the huge success of our previous top 20 amazing science facts, we’ve crafted another selection of intriguing facts that are both entertaining and enlightening. These are facts that the average person may not be aware of.
1 Facts 1 – 5

1. Fingernails grow at a rate that is four times faster than toenails.
Right-handed individuals tend to live, on average, nine years longer than those who are left-handed.
If you apply onion to the bottom of your foot, within 30 to 60 minutes, you'll be able to taste it due to the fact that it passes through your bloodstream.
It’s impossible to end your life by holding your breath; if you hold it until you lose consciousness, your body will automatically resume breathing when that happens.
On a single square inch of human skin, there are approximately 20 million tiny organisms.
Facts 6 – 10

Armadillos are the only animals, besides humans, known to catch leprosy – there have been documented cases of the disease transferring from armadillos to humans.
A snail has the ability to hibernate for 3 to 4 years, during which time it doesn’t require any food.
Giraffes can survive without water for a longer period than camels can.
The songs of humpback whales can vary greatly from year to year, but each whale in a given ocean population sings the same song as the others [Source].
The force needed to remove a foot from quicksand at a rate of one centimeter per second is equivalent to the amount of force required to lift a medium-sized car.
Facts 11 – 15

To check if a pearl is genuine, rub vinegar on it – the pearl's composition will cause it to bubble intensely.
Goldfish kept in a dark environment will lose their color, becoming much paler – without the color in their food, they would eventually turn completely white.
Unlike typical bees, the Queen bee’s stinger is smooth and can be used multiple times without causing her harm.
Quicksand itself is not usually deep enough to be deadly – the real danger lies in how hard it can be to escape, leading to death by environmental exposure.
Oysters have the remarkable ability to switch between male and female at different stages of their lives.
On average, men possess more than 30% greater strength than women, particularly in their upper body, and men’s brains are also heavier than those of women [Source, Source].
