The idea of an alien from Earth that humans made, it does make me feel a little bit scared. And also a little excited and mostly just full of awe. On the next episode of our Origin series, another basic question with another clear and easy answer. Some people will tell you it's not possible to define life but we'll be back next week for more origins.
How did life on Earth start? To help answer that, researchers are trying to create some life for themselves.
This is the second episode in our three-part series, Origins, about the beginnings and boundaries of life on Earth.
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