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Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

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Everyone has one nostril that is larger than the other.

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The FDA recognizes 118 routes of administration.

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In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

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The familiar sounds of your heart are made by the heart's valves as they open and close.

Plant apical meristems and the primary tissues they produce. Plant apical meristems and the primary tissues they produce.
Inhibition as a primary method of succession in the marine intertidal zone. Inhibition as a primary method of succession in the marine intertidal zone.
A typical open-end wrench. Note the size difference on each end and that the head is angled 15 ... A typical open-end wrench. Note the size difference on each end and that the head is angled 15 ...
Starter diagnosis chart. Starter diagnosis chart.
Diagnosis of ADHD Diagnosis of ADHD
Primary growth in a root Primary growth in a root
Video: Chemical Changes

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