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?
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.
Did you know?
Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
Role of calcium, tropomyosin, and troponin in cross-bridge cycling.
Southern Hound (Extinct)
Male Southern Pochard
Europe after the Great War
The functional role of pRB. The pRB protein product of RB1