The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
The human brain uses approximately as much energy as a 10 watt light bulb.
120
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
If you hold farts in during the day, they'll just come out when you sleep.
16