On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
Did you know?
The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
Did you know?
Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
Did you know?
The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Neptune’s Rings
Soil and the Carbon Cycle
The ethanol molecule showing two carbon atoms, six hydrogen atoms, and one oxygen atom.