When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Sound travels about 4 times faster in water than in air.
408
The storage capacity of human brain exceeds 4 Terrabytes.
140
The smell of freshly cut grass is actually a plant distress call.
31
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
Balsa wood is classified as a hard wood!
41
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17