In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
Did you know?
Your heart beats over 36 million times a year.
Did you know?
In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
Did you know?
Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.
Examples of different cell types in humans
Examples of behavioural mechanisms by which animals cope with extreme temperatures.
(Left panel) The transition level (TL) for moving out of the parental home for 240 young men and ...
Examples of Pathogenic Microbes Identified Since 1973