In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
The smell of freshly cut grass is actually a plant distress call.
31
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
The sun is 330,330 times larger than the earth.
75
One cubic foot of gold weighs more than 1,200 pounds!
78