“ For four-fifths of our history, our planet was populated by pond scum. ”
- J. W. Schopf- Copy
- 1.5K
“ For four-fifths of our history, our planet was populated by pond scum. ”
- J. W. Schopf- Copy
- 1.9K
“ For four-fifths of our history, our planet was populated by pond scum. ”
- J. W. Schopf- Copy
- 3.5K
“ For four-fifths of our history, our planet was populated by pond scum. ”
- J. W. Schopf- Copy
- 1.7K
“ For four-fifths of our history, our planet was populated by pond scum. ”
- J. W. Schopf- Copy
- 3.7K
“ For four-fifths of our history, our planet was populated by pond scum. ”
- J. W. Schopf- Copy
- 538
“ For four-fifths of our history, our planet was populated by pond scum. ”
- J. W. Schopf- Copy
- 3.7K
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