Which seventh century Indian mathematician was the first in the world to treat 'zero' as a number and show its mathematical operations ?
I think brahmaputra
First used in western medicine in the 17th century what was the drug developed from the bark of the cinchona tree used to treat?
During the reign of Ashurbanipal who reigned in the seventh century BC, the Susa–Babylon highway became the first recorded example of what?
The game of Roulette was created by which mathematician, physicist, and Catholic philosopher in the 17th century in his search for a perpetual motion machine?
Which Greek mathematician, from the 1st century BC, is best known for the theorem which bears his name and for leading a group who discovered square numbers and proposed that the earth was round, planets have an axis, and they travel around the sun?