Don't Rely On Luck: 13 Skills for Survival [Infographic]
Magnesium is very important for our body, as it helps in muscle contraction, lowers anxiety, supports proper heart rhythm, assists the function of the nerves, helps digestion, promotes bone strength and building and balances the protein fluid.
Determine remaining daylight on your hand. Use this simple trick to measure the remaining daylight without a watch. Count the finger widths between the sun and the horizon. Each finger is equivalent to 15 minutes, with each hand totaling an hour.