2steps from the big bang
20things can go into it
nucleotides
NaturalSubstance
The letters of the genetic code. DNA uses only four: A, C, G and T. The best lab recipes so far use sunlight and shallow water.
First appearedDate not yet known
Made Of
Everything is made of something.← What it takes
What it leads to →
The letters of the genetic code. DNA uses only four: A, C, G and T. The best lab recipes so far use sunlight and shallow water.
From the big bang to nucleotides
The most direct chain from the start of the universe, following what things are made from and, for living things, what they evolved from. Each step shows when it first appeared.
big bang13.8 bn yrs ago
Hhydrogen13.8 bn yrs ago
nucleotidesdate unknown