So we can't just head off and look for the molecules of life as we know it?
Imagine if some historian wanted to know about the origin of France. Most French people now have passports. So imagine the historian went out on an archaeological dig to look for French passports. That would be ridiculous. France as a nation has evolved over time, and only in the modern version do you get passports. Same for life. You could say all life today has DNA, but in the past, who knows?
- Charley Lineweaver
Imagine if some historian wanted to know about the origin of France. Most French people now have passports. So imagine the historian went out on an archaeological dig to look for French passports. That would be ridiculous. France as a nation has evolved over time, and only in the modern version do you get passports. Same for life. You could say all life today has DNA, but in the past, who knows?
- Charley Lineweaver
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