The longest a person has survived after a heart transplant is 24 years.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.
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The average adult has about 21 square feet of skin.
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No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.
Resource partitioning among five species of warblers feeding in North American spruce trees.
The carbon cycle. Numbers are storage as 1015 g or fluxes as 1015 g per year (data from Schlesinger
American Alsatian
Symbolic language may have helped reinforce exclusive sexual relationships within social groups in l
Infant: 4 weeks to 1 year.
The remarkably complete skull of a 3-year-old Australopithecus girl; the fossil is 3.3 million ...