The length between your elbow and hand (forearm) equals the length of your foot.
If you fully stretch your arms out, the fingertip to fingertip length is almost exactly your body height.
The lightest organ in the human body is the lung.
The biggest egg in the world is the ostrich egg. It could take as many as 30 chicken eggs to equal its volume, and up to 2 hours to hard boil.
The deepest location on Earth is Mariana Trench, about 11km deep in the North Pacific ocean.
The Dead Sea is so dense with salt, you can easily float on it without drowning.
The little Alaskan Wood Frog is capable of reviving itself back to normal life after staying completely frozen for months, during which its heart, brain and other organs stop functioning.
The lightning bolt is 3 times hotter than the sun.
Monday, January 31, 2011
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