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Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

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The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

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Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Mendel's breeding program that produced a 9 : 3 : 3 : 1 ratio Mendel's breeding program that produced a 9 : 3 : 3 : 1 ratio
The large orb web of Araneus diadematus (European garden spider). The large orb web of Araneus diadematus (European garden spider).
Large-Flowered Trillium Large-Flowered Trillium
Gossip and ridicule increase the status insecurity of this time of life. Gossip and ridicule increase the status insecurity of this time of life.
Moderate to high physical activity in PE classes is one component of a successful prevention effort ... Moderate to high physical activity in PE classes is one component of a successful prevention effort ...
skeletal muscle consists of a group of fibers held together by connective tissue. It is enclosed in ... skeletal muscle consists of a group of fibers held together by connective tissue. It is enclosed in ...
Video: Glucose Evaluation Procedure

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