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Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
Did you know?
Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.
Did you know?
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
Did you know?
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.