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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

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There are 20 feet of blood vessels in each square inch of human skin.

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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

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Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

The insect family Coenagrionidae is found in the order Odonata and the suborder Zygoptera. The insect family Coenagrionidae is found in the order Odonata and the suborder Zygoptera.
Birth Order and Intelligence Birth Order and Intelligence
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First-order sensory neuron with encapsulated nerve endings First-order sensory neuron with encapsulated nerve endings
In order to encourage Canadians to avoid cross border shopping, Walmart Canada is striving to ... In order to encourage Canadians to avoid cross border shopping, Walmart Canada is striving to ...
Video: Mechanics of Sound Animation

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