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Earth may seem to grow smaller and smaller to us, but it is still an incredibly huge place, full of mysteries that many of them we still don't really understand. The more I learn about this world, the more awe I feel...
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| In an average lifetime, a person will walk the equivalent of 5 times around the equator. |
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Starfish are not actually fish, neither are killer whales whales (they are actually from the dolphin family). |
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| Dolphins can call one another by name. |
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Frogs have to blink every time they swallow, because their eyes actually help push food into their stomach. |
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| Every 28 days, your skin completely renews itself. |
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| Astatine is the rarest element on earth - only 1 gram exists of it in the entire earth's crust. |
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| Humans have on average about 100,000 hairs on their head. An otter will have 160,000 hair PER SQUARE CM. |
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| Cows can produce up to 140 liters of daily dung. |
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| The most used joint in the human body is the jaw. |
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| If you dig up one square meter of dirt, you may find up to 200 worms in it. |
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| One piece of space debris falls down to earth every day. |
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| In all of recorded human history, we have only pulled out about two Olympic sized swimming pools of gold from the earth's crust. |
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| The naked mole, although weak looking, is actually immune to all cancers and can live with almost no oxygen. |
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| Because of gravity, the maximum height a tree can aspire to is 130 meters. Any more and the water will not be able to get all the way up. |
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| The longest animal in the world is not the blue whale (30 meters) but a marine worm that can grow as long as 55 meters. |
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| The largest living organism, once again, is not the blue whale or a tree, but a fungus in Oregon that has grown to cover 10 square km. |
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| The average person contains a potential electric energy of 7 quintillion joules. |
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| In case you were wondering - that is the equivalent of 30 hydrogen bombs. |
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The computing power of one gameboy exceeds all the computing used to put a man on the moon combined.
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99% of earth's gold is in its core.
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