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Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

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A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

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The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

The meninges from the outside in: dura mater, arachnoid, and pia mater. Also showing the subarachnoi The meninges from the outside in: dura mater, arachnoid, and pia mater. Also showing the subarachnoi
Midsagittal image of the head on an MRI scan Midsagittal image of the head on an MRI scan
skull sagittal and inferior skull sagittal and inferior
There is no such thing as the African American family, any more than there is the Native American, ... There is no such thing as the African American family, any more than there is the Native American, ...
Sagittal section of the female pelvis, showing organs of the reproductive system. Sagittal section of the female pelvis, showing organs of the reproductive system.
Sagittal section of brain Sagittal section of brain
Video: Pasteur's Experiment

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