alt Hacker NewsNo this is 'calibrated' against other research like fossils (indicating which species were living where & when) & probably more.
It's called science for a reason... (not back-of-a-napkin stuff)
No this is 'calibrated' against other research like fossils (indicating which species were living where & when) & probably more.
It's called science for a reason... (not back-of-a-napkin stuff)
But those are unreliable as well...
See, since it seems that you are convinced yourselves, can you tell me how accurately the past temperature can be assessed by using this method? I mean +/- how many degrees?