Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.
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There are more bacteria in your mouth than there are people in the world.
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Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.
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The longest a person has survived after a heart transplant is 24 years.
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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
Eight weeks old human embryo
24 weeks old human fetus
36 weeks in the uterus
Embryo and fetal development during weeks 1–25 of gestation.