The human body produces and destroys 15 million blood cells every second.
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As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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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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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
20,000 year old Arctic ground squirrel mummy
Listening to loud music with headphones or at rock concerts is a frequent cause of hearing loss amon
Mass Loss from a Supermassive Star
Mass Loss from a Supermassive Star
Client’s view with visual field loss
Receptive language usually develops before expressive language