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The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

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People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Cyanobacteria of the (a) genus Synechococcus form (b) mats that line hot springs around the world. Cyanobacteria of the (a) genus Synechococcus form (b) mats that line hot springs around the world.
Negative feedback control of the female reproductive hormones Negative feedback control of the female reproductive hormones
Mirror Box Therapy Compared to Mental Visualization and a Control Condition Mirror Box Therapy Compared to Mental Visualization and a Control Condition
In the box on upward social mobility on page 82, we discussed how Latinos face a similar situation. ... In the box on upward social mobility on page 82, we discussed how Latinos face a similar situation. ...
Endocrine and nervous control of blood pressure. Endocrine and nervous control of blood pressure.
Negative feedback control of the female reproductive hormones. Negative feedback control of the female reproductive hormones.
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