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Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

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There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

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Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

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Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Possible symbiotic or endosymbiotic relationships that gave rise to the first eukaryotic cells Possible symbiotic or endosymbiotic relationships that gave rise to the first eukaryotic cells
Electronmicrograph showing a blood clot composed of fibrin, red blood cells, and tissue debris. Electronmicrograph showing a blood clot composed of fibrin, red blood cells, and tissue debris.
cells cells
Stem Cells Stem Cells
The hormone leptin is produced in fat cells, moves through the blood, and binds to receptors in the The hormone leptin is produced in fat cells, moves through the blood, and binds to receptors in the
An example of a cell-mediated immune response targeting virus-infected cells. An example of a cell-mediated immune response targeting virus-infected cells.
Video: Membrane Protein and Facilitated Transport (Passive Vs Active)

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