The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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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.
Black flies are blood-sucking insects who vector disease, like River Blindness, while feeding on hum
The Making of Black Harlem
The Effect of Group Size on Relationships
Group of Gorillas
The nucleosome core particle derived from X-ray crystal analysis
Life cycle of Rhizopus stolonifer, a black bread mold