5steps from the big bang
122things can go into it
pillow
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In ancient Mesopotamia some pillows were made of stone, to keep insects out of sleepers' hair.
First appearedDate not yet known
In ancient Mesopotamia some pillows were made of stone, to keep insects out of sleepers' hair.
Nothing on this map is built from it yet.
In ancient Mesopotamia some pillows were made of stone, to keep insects out of sleepers' hair.
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.