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Why is it that we get allergies? Why does the body’s immune system go haywire and react against thing that are perfectly harmless? In this video, Dr. Peter Sa...
Why Do We Have Shadows? The reason why we have shadows is because your body blocks the light and then the shape of your body appears on the ground....
When does body hair start to sprout? What determines the color of our hair? It's all a question of hormones....
Why Do We Have Shadows? The reason why we have shadows is because your body blocks the light and then the shape of your body appears on the ground....
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