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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.

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Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

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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.

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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

The "Emu in the sky," a constellation defined by dark clouds rather than the stars. The "Emu in the sky," a constellation defined by dark clouds rather than the stars.
Spotted hyena cubs in Limpopo, South Africa. Note the well defined spots, which will fade with age Spotted hyena cubs in Limpopo, South Africa. Note the well defined spots, which will fade with age
The term wasp is typically defined as any insect of the order Hymenoptera and suborder Apocrita that The term wasp is typically defined as any insect of the order Hymenoptera and suborder Apocrita that
Leading & Managing Defined Leading & Managing Defined
Oceanic Crust Has a Well-defined Internal Structure Oceanic Crust Has a Well-defined Internal Structure
The coefficient of the restitution of an object is defined as the ratio of its outgoing to ... The coefficient of the restitution of an object is defined as the ratio of its outgoing to ...
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