"I have come to believe that the whole world is an enigma." --Umberto Eco

1.5 × 102 =

The expression x2 + 2x -3 / x +3 cannot be evaluated if .v has a value of

DNA, a nucleic acid contained in all living material, orders every cell to reproduce in a certain manner. In feet, DNA molecules determine both the form and function of all living cells.
DNA is

25x2 =