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Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

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There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

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It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

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Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

The biconcave disk shape of erythrocytes (red blood cells). The biconcave disk shape of erythrocytes (red blood cells).
Cerebral angiography. The four angiograms each reveal the distribution of blood vessels supplying th Cerebral angiography. The four angiograms each reveal the distribution of blood vessels supplying th
Electrocardiography. (a) Electrodes are placed on the patient’s chest to record the electrical event Electrocardiography. (a) Electrodes are placed on the patient’s chest to record the electrical event
Hot Air Balloon Physics Hot Air Balloon Physics
James A. Garfield lies mortally wounded. After failing to locate the bullet, surgeons called in Alex James A. Garfield lies mortally wounded. After failing to locate the bullet, surgeons called in Alex
The injector on-time is called the pulse width. The injector on-time is called the pulse width.
Video: Metaphase I Animation

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