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Did you know?
Your heart beats over 36 million times a year.
Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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?
In 1864, the first barbiturate (barbituric acid) was synthesized.
Did you know?
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.