During the eclipse (L-R) Mimosa previously exposed to 72 hours of dark showed no response to totality. Mimosa exposed to 72 hours of light was partially closed during totality. Mimosa with prior normal light exposure closed completely during totality. Oxalis leaves opened up and the flowers did not fold. Credit: University of Missouri Academic Support / Stephanie L. Sidoti
On August 21, 2017, about 215 million American adults watched one of nature’s most dramatic events: a total solar eclipse. The University of Missouri-Columbia lies directly on that path of totality. Scientists there knew they had a once-in-a-generation opportunity to study how a total eclipse affects plants. During the event, there would be 45 minutes of gradually decreasing light. Temperatures would also fall...
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