Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.
Color Coding in the Retina
How to use Cramer's rule to solve a second-order determinant (Question 2)
The Small Intestine: A Huge Surface for Digestion & Absorption