This isn't your usual half-baked speculation by non-specialists, this is a properly researched paper with facts, uncertainties, and clear information. Upvoted,

This isn't your usual half-baked speculation by non-specialists, this is a properly researched paper with facts, uncertainties, and clear information. Upvoted, and I'd recommend it to anyone with more than a passing interest. Note: I'm not an author, not a specialist, and not the submitter.