Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.
A revised animal phylogeny based on molecular data of SSU rRNA
Nitrogen fluxes in Sycamore Creek, Arizona (data from Grimm 1988).