Host Sarah Crespi talks with undergraduate student Micheal Munson from Baylor University in Waco, Texas, about a smartphone app that scans photos in the phone’s library for eye disease in kids.

And Sarah talks with Todd Roberts of the University of Texas Southwestern Medical Center in Dallas, Texas, about incepting memories into zebra finches to study how they learn their songs. Using a technique called optogenetics—in which specific neurons can be controlled by pulses of light—the researchers introduced false song memories by turning on neurons in different patterns, with longer or shorter note durations than typical zebra finch songs.

This week’s episode was edited by Podigy.

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[Image: Jim Brendon/Flickr; Music: Jeffrey Cook]