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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.
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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.
A molecular model showing chromosome territories in the cell nucleus of humans
A hypothetical model of the process of cell-wall expansion.
A Littoral Cell—Sediment transfer
The stages comprising an arbitrary cell cycle
Cell division image
Body plan of a tomato plant