[silverleaf]

Yes, Neal posed thoughtfully by a volcanic pool to ruminate how a single cell microbe (life) could have emerged from the heat. Of course, how that microbe became “life” with a billion atoms of CODED DNA ... and went from there over 3 billion years of natural selection (and 5 mass extinctions) to the top of the “tree of life”

well, the FACTS are in, so no worries, Nat Geo will just continue to make pretty cartoons about “the science of what probably happened”

[tophat9000]

That the most annoying thing to me about how evolution theory is taught. .the theory of evolution does not explain how life first began it doesn't even try and it was never intended to explain how life started ....the evolution mechanism theory required the system be primed with a living thing to function..it can not self start..but you would never know that simple fact by how its taught and that dishonest , bad science and wrong science

[Sgt_Schultze]

I watched this week's episode too. At one point, Tyson remarked that the Earth has been mainly in a glacial period for the past 2 million years, with small warming periods (which is where we are now). Yet minutes later, he worried about the dangers presented by current global warming that may cause extreme problems.

Problems larger than slipping back into cooling when most of the northern hemisphere was covered in ice? More dangerous than short growing seasons and mass starvation? I guess so.