In Science
- The atomic number of vanadium.
- The atomic mass number of the stable isotope of sodium.
- Normal human sex cells have 23 chromosomes. Other human cells have 46 chromosomes, arranged in 23 pairs.
- Scientific notation for the avogadro constant is written as 6.02214179(30)×1023 mol-1.
- Nobel Prize-winning economist John Forbes Nash, the inspiration for the film A Beautiful Mind, was obsessed with the number 23 and it featured prominently in his nervous breakdown. He claimed that Pope John XXIII was in fact himself, the evidence being that 23 was his favourite number. Nash also published only 23 scientific articles.
- 23 is the width of the Arecibo message, sent to space in search for extraterrestrial intelligence.
Read more about this topic: 23 (number)
Famous quotes containing the word science:
“If you have science and art,
You also have religion;
But if you don’t have them,
You better have religion.”
—Johann Wolfgang Von Goethe (1749–1832)
“May we not assure ourselves that whatever woman’s thought and study shall embrace will thereby receive a new inspiration, that she will save science from materialism, and art from a gross realism; that the “eternal womanly shall lead upward and onward”?”
—Louisa Parsons Hopkins, U.S. scientist and author. As quoted in The Fair Women, ch. 16, by Jeanne Madeline Weimann (1981)