If the chemical sodium is dropped into water it will immediately and violently explode.
67
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
The smell of freshly cut grass is actually a plant distress call.
31
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Pure water (H2O) does not conduct electricity on its own.
46
The earth is approx. 6,588,000,000,000,000,000 tons.
175
The average temperature at 40,000 feet above sea level is -60 F.
56