10 Amazing Facts About Our World - as part of the news and politics series by GeoBeats.

Here are 10 amazing facts about our world.

10 - A square mile of fertile soil contains more insects than the entire human population on Earth.
9 - More people die every year by falling coconuts than from shark attacks.
8 - The wandering spider in Brazil has a bite which can cause an erection for hours.
7 - Polar bears can insulate themselves so well that they can't even be seen through an infrared camera.
6 - Humans get a new skeleton every 10 years as bone cells are constantly reborn.
5 - The coastline of Alaska is about 5,600 miles and coastline of the rest of the US is only slightly more, at nearly 6,000 miles.
4 - The scientists at Oregon State University have discovered huge water reservoirs underneath the ocean floor - there may be more water under the ocean than what's currently in them.
3 - The biggest employer in the world is the U.S. Department of Defense with 3.2 million workers and the next largest is People's Liberation Army of China with 2.3 million employees.
2 -The giant redwood's bark is fireproof. In fact, they depend on fire for growth and clearing the surrounding area.
1 - A Swedish company has developed a new, eco-friendly way of handling the deceased. Bodies are frozen in liquid nitrogen and then turned into powder through sound waves. Resulting powder is mixed with biodegradable materials and can be used to grow trees.