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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

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Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

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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 Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

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A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Division of mitochondria by binary fission Division of mitochondria by binary fission
The small-scale distribution of different tree species in a Douglas-fir forest is determined by both The small-scale distribution of different tree species in a Douglas-fir forest is determined by both
Ernst Haeckel's Tree of Life (1879) Ernst Haeckel's Tree of Life (1879)
Greenstick Only one side of the shaft is broken, and the other is bent (like a greenstick); usually Greenstick Only one side of the shaft is broken, and the other is bent (like a greenstick); usually
How difficult is it for children to learn to speak two languages? How difficult is it for children to learn to speak two languages?
These tree-sitters are being forcibly removed. They were protesting the environmental damage that ... These tree-sitters are being forcibly removed. They were protesting the environmental damage that ...
Video: Endocytosis -Types and Phagocytosis

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