Perhaps it's something of a spoiler alert to tell you that Sara Walker doesn't actually answer the question she poses. But she does something even better: she formulates HOW to answer it.
That's it. Nothing else really happens. Oh, sure, they talk about how many other planets might support life, and crap like that. But if you're like me, it is impossible to watch
without thinking, "There's no way anything this complex could ever have just spontaneously begun."Maybe there is and maybe there isn't. But watching YouTbe videos isn't the same as doing science, and so I'm glad someone is addressing the question in a systematic and not merely an emotional way.
