The 5 Biggest Questions In Science

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2) How On Earth Did Life Begin On Earth?

Big Science Questions - Panspermia

Darwin and the wonderful procession of evolutionary biologists that came after him have done an excellent job of teasing apart the processes that turned simple life into complicated beings. Evolution is a theory, but it has so much clout and evidence behind it that it is accepted as a scientific fact for all intents and purposes. Evolutionary theorists argue about the detail on occasion, but the basic method is agreed.

But, and it’s a larger “but” than a Kardashians, no one knows how that initial spark of life came about 4 billion years ago. There are theories ranging from panspermia, where life was first started on other planets and ended up being dumped on ours (which sort of doesn’t answer the question any way) to the building blocks of life being initially manufactured within ancient clay crystals.

The fact that life happened at all is pretty mental as it is, so I suppose it doesn’t matter how daft the theories are, it’s all still possible.

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