Eclipsified leaf-gap shadows: nature reveals what the eye cannot observe directly

Guest post by Alec Rawls With a weak sun well up in the clear blue sky yesterday morning I was thinking I should go punch a hole in some cardboard and project an upside down image of just how far sun was being eclipsed by the moon. Then I looked down and saw this: Wow,…

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First Peoples, bad-dry, good-wet

First Peoples: The warming alarm-dog that didn’t bark

Guest post by Alec Rawls Beneficial climate change allowed modern humans to emigrate out of Africa and spread around the globe says the new PBS documentary “First Peoples,” but it fails to mention that the era it designates as “good times” was several degrees warmer than today. A critical moment in human history is intoned with intense…

Taking Keating's $30,000 skeptic challenge seriously, part 1

Contradictory contest criteria have been rectified via Keating “clarification” Guest post by Alec Rawls At first glance retired physics teacher Christopher Keating’s challenge appears to be an obvious bait and switch. It opens as an invitation to “global warming skeptics” who charge that “the science doesn’t support claims of man-made climate change.” The central “claim of…

Is John Cook planning to use systematically biased "correct" survey answers to make unbiased skeptics look biased?

Guest post by Alec Rawls After finalizing a long post on John Cook’s crowd-sourced consensus-rating survey  (to be titled “I take Cook’s survey so you don’t have to”), I submitted my completed survey to Cook’s website and received an automated response that included a key new bit of information, suggesting what likely shenanigan Cook has…