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?
Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.
Did you know?
There are 60,000 miles of blood vessels in every adult human.
Did you know?
The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.
Plastid composition of egg cells from green, white, and variegated four-o'clock plants.
Green bee eater,nagpur,India
green snake
pink-necked green pigeon
Interaction of RF2 with a UGA stop codon in the decoding center