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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

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Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

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Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Cnidarians have specialized stinging cells called cnidocytes Cnidarians have specialized stinging cells called cnidocytes
Cell Weapon Cell Weapon
Involvement of Magnocellular and Parvocellular Systems in Emotional Perception Involvement of Magnocellular and Parvocellular Systems in Emotional Perception
The macula densa and the juxtaglomerular (JG) cells. Osmoreceptors in the macula densa sense low ... The macula densa and the juxtaglomerular (JG) cells. Osmoreceptors in the macula densa sense low ...
Cell Division Cell Division
animal cell animal cell
Video: Miller's reaction chamber experiment Animation

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