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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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Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

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Everyone has one nostril that is larger than the other.

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The average office desk has 400 times more bacteria on it than a toilet.

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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

World human population growth through history illustrates an exponential growth pattern. World human population growth through history illustrates an exponential growth pattern.
Our species’ ability to form social bonds and be loyal and cooperative within our “tribe” may ... Our species’ ability to form social bonds and be loyal and cooperative within our “tribe” may ...
Reptilian Brain or Instinctive Brain Promote Understanding of Human Behavior Reptilian Brain or Instinctive Brain Promote Understanding of Human Behavior
Human-fish Sculpture Human-fish Sculpture
A colorized image of human chromosomes A colorized image of human chromosomes
Similar-looking, related species that are native to distant geographic realms Similar-looking, related species that are native to distant geographic realms
Video: Double Stranded DNA Molecule Animation

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