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?
There are more sensory neurons in the tongue than in any other part of the body.
Did you know?
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
Did you know?
Cyanide works by making the human body unable to use oxygen.
Did you know?
The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
Snellen chart
Population Growth
Population growth rate %
Growth of World Trade, 1870–2010
Exponential Growth Question
Growth of cultured cells from patients with xeroderma pigmentosum (XP)
