Step out on the next clear spring night and face north. There is no doubt you will spot our most familiar pattern, the Big Dipper. As we head through spring, you will notice the Big Dipper pattern ...
The most detailed look yet at the monarch butterfly’s built-in clock suggests it’s an ancient model. The molecular mechanism that keeps the day-night rhythm in the butterfly’s brain shares features ...
https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri=full=3100001~!614385~!0#focus ...
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