The Origin of Life: A Selfish Act or a Cooperative Effort?

Around 1620 the Flemish chemist Jan Baptist van Helmont, often considered the father of pneumatic chemistry (the chemistry of gases), wrote the following:

“If you press a piece of underwear soiled with sweat together with some wheat in an open mouth jar, after about 21 days the odor changes and the ferment coming out of the underwear and penetrating through the husks of the wheat, changes the wheat into mice.”

This reflected the commonly held belief at that time, even among many scientists, of spontaneous generation. Life was assumed to arise spontaneously and continuously: mice from wheat, maggots from meat, frogs from mud, and so on.

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