What Causes Rainbows?
What Causes Rainbows? When the sun is out during or right after a shower, a rainbow appears in the sky. When sunlight strikes the drops of water in the air, the...
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Why Do You Sweat?
Why Do You Sweat? Sweating is a natural biological process that starts soon after you are born. It is one of the ways your body has to cool off when you become too...
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What Causes a Rainbow?
What Causes a Rainbow? After a shower of rain there is often a rainbow. Rainbows form when the sun begins to shine through the clouds while the air is still filled with...
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Why Does the Highway Look Wet on a Hot Day?
Why Does the Highway Look Wet on a Hot Day? On a summer day you may have noticed a pool of water ahead of you in the road. When you get closer, the pool of water...
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Why Does My Hair Turn Light in the Sun?
Why Does My Hair Turn Light in the Sun? Hair color comes from a pigment, melanin that is added to your hair as it is made in the skin of your scalp. Melanin helps...
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