RG

IN CONTEXT

BRANCH

Chemistry

BEFORE

1871 Charles Darwin suggests that life might have begun in “some warm little pond.”

1922 Russian biochemist Alexander Oparin proposes that complex compounds might have formed in a primitive atmosphere.

1952 In the US, Kenneth A. Wilde passes 600-volt sparks through a mixture of carbon dioxide and water vapor, and obtains carbon monoxide.

AFTER

1961 Spanish biochemist Joan Oró adds further likely chemicals to the Urey–Miller mix and obtains molecules vital for DNA, among others.

2008 Miller’s former student Jeffrey Bada and others use newer, more sensitve techniques to obtain many more organic molecules.

Scientists have ...

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