Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
On average, there's 100 billion neurons in the human brain.
83
The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193
By weight, Bone is five times stronger than steel.
417
The skin on your lips is 200 times more sensitive than your fingertips.
345
You can alleviate a tickly throat by scratching your ear.
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Your body is creating and killing about 2.4 million red blood cells per second.
17
You can reschedule your sleeping pattern by not eating 12-16 hours before you want to be awake. Upon eating after this time period, your internal clock will reset to a new day, with the time of your first meal being interpreted as "morning".
11