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Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.
Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.