In Science
- The number of polynucleotide strands in a DNA double helix.
- The first magic number.
- The atomic number of helium.
- Group 2 in the Periodic table of the elements consists of the alkaline earth metals whose usual valence is +2.
- Period 2 in the Periodic table consists of the eight elements lithium through neon.
Read more about this topic: 2 (number)
Famous quotes containing the word science:
“He has been described as “an innkeeper who hated his guests, a philosopher, and poet who left no written record of his thought, a despiser of women who gave all he had to one, an aristocrat, a proletarian, a pagan, an arcadian, an atheist, a lover of beauty, and, inadvertently, the stepfather of domestic science in America.””
—Administration in the State of Colo, U.S. public relief program (1935-1943)
“There are two kinds of truth; the truth that lights the way and the truth that warms the heart. The first of these is science, and the second is art.... Without art science would be as useless as a pair of high forceps in the hands of a plumber. Without science art would become a crude mess of folklore and emotional quackery.”
—Raymond Chandler (1888–1959)