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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

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The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

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Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

The process of placing a stent in a blood vessel. (A) A catheter is used to place a collapsed stent The process of placing a stent in a blood vessel. (A) A catheter is used to place a collapsed stent
(a) Initial mtDNA results suggested modern humans and Neadertals were equally distantly related to D (a) Initial mtDNA results suggested modern humans and Neadertals were equally distantly related to D
Burial caves from Mangaia, Cook Islands, document the changing patterns of mortuary ritual. Burial caves from Mangaia, Cook Islands, document the changing patterns of mortuary ritual.
Global Links: African Slave Trade Global Links: African Slave Trade
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Video: The Lagging Strand in DNA Replication and Replication in Action

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