Click the puzzle for a full-size version.BY EMILY COX AND HENRY RATHVON

Science denial, as a behavior rather than a label, is a consequential and not-to-be ignored part of society. . . . When people ignore important messages from science, the consequences can be dire.

—George Mason University cognitive scientist John Cook, in an essay on the dangers of discounting scientific fact in policymaking and public opinion (National Review, May 2017)

I think it is pretty dumb not to ask some hard questions about why more rain is now falling, and has fallen in the Houston area, as I understand it, than any time that people can have measured.

—Senator Bernie Sanders (D-VT), on the possible contribution of climate change to Hurricane Harvey (CNN, August 31)

1. What a serious birder maintains (2 wds)...

1.    Photosynthesis factory
2.    Like jackalopes or “Piltdown man”
3.    Bass with a distinctive jaw
4.    Apex predators of the sea
6.    Source of a spiral in nature
7.    Landlocked country with jaguars, tapirs, and harpy eagles
10.    Small, edible whelk; violet groundcover
12.    What a male seahorse can become
13.    Like kudzu or zebra mussels
16.    Like quaggas and hinnies
18.    What a coronavirus’s ringlike fringe suggests
19.    Amoeba or diatom, essentially

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