3steps from the big bang
59things can go into it
humans
NaturalLiving
Our species appeared in Africa about 300,000 years ago. Every product and system on this map needed us.
First appearedAbout 300,000 years ago
Made Of
Everything is made of something.← What it takes
What it leads to →
Our species appeared in Africa about 300,000 years ago. Every product and system on this map needed us.
From the big bang to humans
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
water4.4 bn yrs ago
humansc. 300,000 yrs ago