1. With 27-Across, a pioneer in DNA research
(2 words)
5. Notable feature of great whites
9. Shade for a panther
10. “I went to the woods because I wished to live
deliberately” author
11. Possible source of mother of pearl
12. One cubic decimeter
14. Like a harvest moon in hue
16. Age of human history
19. First name in radium research
21. Chipped flint from the Tertiary Period
24. Lepidopterist who also wrote fiction
25. Glassware brand found in many a lab
26. Sasquatch’s Asian cousin
27. See 1-Across

1. Color of the throat of some hummingbirds
2. Shoulder blade
3. Bodies studied by limnologists
4. Urtica stinger
6. Producer of a reaction; catalyst
7. Mammal whose name means “shadow-tailed”
8. Catkin-bearing tree
13. State of hibernation or inactivity
15. Hippocrates and Galen, e.g.
17. Word preceding selection and...

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