How Does an X-ray See Inside You?
The X-ray picture a doctor uses to see inside your body is really a shadow picture of your bones and organs. X-rays are a kind of invisible
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Body
Why Do We Yawn?
Why Do We Yawn? Though we don’t know all the reasons for yawning, it is usually a way of helping our breathing. That extra deep breath gets
What Is a Fever?
Fever is a body temperature that is higher than normal. (If your body temperature is higher than 98.6 degrees Fahrenheit when you are sick,
Why Do Mexican Jumping Beans Jump?
Why Do Mexican Jumping Beans Jump? A jumping bean’s movement is caused by a larva, or caterpillar, wriggling around inside it. The “beans” a
Where Does My Hair Get Its Color?
Hair color comes from melanin a coloring matter, some people call it pigment. Your body adds pigment to hair cells as they form in the roots