During the Aug. 21 solar eclipse, spectators will turn their eyes upward to see the moon pass in front of the sun.
But many Midwest scientists will turn their eyes and cameras to the plants and animals here on the ground. And they're not sure what will happen.
“It's never really been studied systematically,” says Angela Speck, director of astronomy at the University of Missouri Columbia. “We have ideas about: Is this an illumination thing? The amount of light they’re receiving goes down. Is that what it is? Is it a temperature effect? Is it all of that?”