The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
Did you know?
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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Your heart beats over 36 million times a year.
Major Events in the History of Psychology
How to perform the substitution method for definite integrals (Part 1)
How to integrate by parts (Part 1)
Catalysis of peptide bond hydrolysis by chymotrypsin (part 2)