How did life on Earth begin?
Today’s Video of the Day from the American Chemical Society investigates how life got started on Earth and how likely we are to find it on other planets.
With over 100 proposed definitions, it is complicated to determine exactly what constitutes life. It is even more complicated when we are trying to find life on other planets.
According to the experts, what we learn on Earth gives us an idea of what chemical elements to search for on other planets.
Carbon, nitrogen, hydrogen, oxygen, sulfur, and phosphorus are the biomolecules that were needed to kick off life on our planet about four billion years ago.
Video Credit: ACS
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