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Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

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According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

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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.

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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

(A) The structure of a neuron, showing the dendrites, nerve cell body, and axon. (B) Photomicrograph (A) The structure of a neuron, showing the dendrites, nerve cell body, and axon. (B) Photomicrograph
The chemical structure of mescaline, derived from the peyote cactus The chemical structure of mescaline, derived from the peyote cactus
The two major forms of polynucleotide secondary structure The two major forms of polynucleotide secondary structure
Cellulose structure Cellulose structure
Structure of a processed mRNA 5’ end Structure of a processed mRNA 5’ end
Structure of a nail Structure of a nail
Video: Bone elongation - processes at the epiphyseal plate

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