Trivia / Knowledge

How effective were 17th century medical practices?

Medical treatment, during the seventeenth and eighteenth centuries, was aimed at ridding the sick of "vile humours" by vomiting, purging, and bleeding. The treatment was often the immediate cause of death. Some prescriptions called for "letting" ...

When did we find the first pulsar?

The first pulsar (a celestial object that emits brief, sharp pulses of radio waves instead of the steady radiation associated with other natural sources), discovered in 1967, never varies in its timing by even as much as a hundred-millionth of a ...

How much does a human brain weigh?

The brain reaches its maximum weight at age 20 - about 3 pounds. Over the next 60 years, as billions of nerve cells die within the brain, it loses about 3 ounces. The brain begins to lose cells at a rate of 50,000 per day by the age of 30.