Did you know?
Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).
Did you know?
Approximately 25% of all reported medication errors result from some kind of name confusion.
Did you know?
More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
Did you know?
There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.
Did you know?
The longest a person has survived after a heart transplant is 24 years.
Hershey Chase Experiment
The frontal lobe (green) bounded by the Sylvian fissure (yellow line) and central sulcus (red line),
Time Line of Human History From Upper Paleolithic Period to the Present
Humidity Measurement and Gas Flowrate Experiment
Number line (5 - 1)
Davis’s U-tube experiment