The bark of the redwood tree is fireproof.
If Mount Everest were placed at the bottom of the deepest part of the ocean, its peak would still be a mile underwater. Submitted by: Nikhil, India
If given the same mass, our body would actually be hotter than the Sun. Submitted by: Eddy - United States
Many physicists believe wormholes (a "shortcut" through space and time) exist all around us but they are smaller than atoms. Submitted by: Jay - United States
A solar panel 100 miles by 100 miles (161 × 161 km) in the Mojave Desert (USA) could replace all the coal now burned to generate electricity in the entire United States. Submitted by: Jay - United States
The Atlantic Ocean grows at about the same rate as your fingernails. Submitted by: Do do bird - United States
If you yelled for 8 years, 7 months and 6 days, you would have produced just enough sound energy to heat up one cup of coffee. Submitted by: me knows me facts, Canada
The average ice berg weighs 20,000,000 tons.
Lightning strikes about 6,000 times per minute on our planet.
A gallon of water weighs 3.8 kg (8.34 lb).
If an item moves very, very fast, it becomes smaller and heavier.
Minus 40 degrees Celsius is exactly the same temperature as minus 40 degrees Fahrenheit.
The most powerful lasers are made with Neodymium-doped Yttrium crystals. In a fraction of a second, they produce more power than the whole United States. Submitted by: Moi - Toronto, Canada
The only rock that floats in water is pumice.
Mexico City is sinking at a rate of 46 cm (18 in) per year as a result of draining water.
25mm (1 in) of rain water is equivalent to 381 mm (15 in) of dry, powdery snow.
The oldest and largest clearly visible meteorite crater site in the world is The Vredefort Dome in Free State, South Africa. It is 380 km across.
The greatest tide change on earth occurs in the Bay of Fundy. The difference between low tide and high tide can be as great as 16.6 m (54 ft).
The temperature in fahrenheit can be determined by counting the number of cricket chirps in 14 seconds and adding 40.
The average ocean floor is about 3,600 m deep (12000 ft).