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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

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Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

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Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

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The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

The four ways in which animals exchange heat with the environment are radiation, evaporation, convec The four ways in which animals exchange heat with the environment are radiation, evaporation, convec
A fossil leaf in low-grade coal A fossil leaf in low-grade coal
From your experiences in grade school, can you tell if or how your teachers unintentionally helped ... From your experiences in grade school, can you tell if or how your teachers unintentionally helped ...
Industrial Waste and the Impact on the Environment Industrial Waste and the Impact on the Environment
Essential Environment Essential Environment
Two Cnidarian Body Plans Two Cnidarian Body Plans
Video: Wound Repair Animation

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