4steps from the big bang
1things can go into it
lemon
MaterialFood
Sailors ate lemons to prevent scurvy long before anyone knew about vitamin C.
First appearedDate not yet known
Sailors ate lemons to prevent scurvy long before anyone knew about vitamin C.
Sailors ate lemons to prevent scurvy long before anyone knew about vitamin C.
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.