Pain has a purpose - it can stop you from touching a flame or from walking on a broken leg. As an injury heals, the pain goes away. Usually. But worldwide, one out of every five people suffers from p...
How to start a survival fire without matches, using chemistry!
If you like this, check out "How To Make a Floating Hot Tub" by Cottage Life: http://bit.ly/MakeHotTub
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