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Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

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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.

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For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

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Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

The process of exon shuffling. The process of exon shuffling.
The biological process of nitrogen fixation The biological process of nitrogen fixation
The Three Stages of the Birth Process The Three Stages of the Birth Process
What emotions are these people expressing? Are these emotions global? Is their way of expressing ... What emotions are these people expressing? Are these emotions global? Is their way of expressing ...
The process of ventilation: inspiration and expiration. The process of ventilation: inspiration and expiration.
Here we show the first three divisions of cleavage, a process that carves up a zygote’s cytoplasm. ... Here we show the first three divisions of cleavage, a process that carves up a zygote’s cytoplasm. ...
Video: Cellular Respiration & Glucose Mobilization (Glucose transport & Phosphorylation of Glucose)

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