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:
“Thinking is seeing.... Every human science is based on deduction, which is a slow process of seeing by which we work up from the effect to the cause; or, in a wider sense, all poetry like every work of art proceeds from a swift vision of things.”
—Honoré De Balzac (1799–1850)
“The essence of acting is the conveyance of truth through the medium of the actor’s mind and person. The science of acting deals with the perfecting of that medium.”
—Minnie Maddern Fiske (1865–1932)