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

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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

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In 1844, Charles Goodyear obtained the first patent for a rubber condom.

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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

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To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Species currently endangered in Canada include (a) the Burrowing Owl, Athene cunicularia; (b) Taylor Species currently endangered in Canada include (a) the Burrowing Owl, Athene cunicularia; (b) Taylor
The Venus flytrap, a species of carnivorous plant. The Venus flytrap, a species of carnivorous plant.
Fossil remains of anatomically modern humans from the Czech Republic and from China (center crania) Fossil remains of anatomically modern humans from the Czech Republic and from China (center crania)
Nine pulse sites on the human body. Nine pulse sites on the human body.
Human civilization developed during the most recent interglacial stage Human civilization developed during the most recent interglacial stage
Annotation of a DNA sequence containing part of the human beta globin gene Annotation of a DNA sequence containing part of the human beta globin gene
Video: Heart Chambers

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