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The horizontal fraction bar was introduced by the Arabs.

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Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

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Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

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There are more bacteria in your mouth than there are people in the world.

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It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Region’s Culture in International Context Region’s Culture in International Context
Add movement to skin lifting by gently pulling it in a certain direction (e.g., up and forward) to ... Add movement to skin lifting by gently pulling it in a certain direction (e.g., up and forward) to ...
Incorrect body alignment with back bent and head forward. Incorrect body alignment with back bent and head forward.
Gluteal muscles of the hip region. Gluteal muscles of the hip region.
The Arctic is warming faster than any other region on Earth The Arctic is warming faster than any other region on Earth
A gradient of bicoid mRNA (blue stain) as concentrated in anterior region A gradient of bicoid mRNA (blue stain) as concentrated in anterior region
Video: Metaphase I Animation

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