Watch bats perform jaw-dropping high-flying acts — like landing upside down on the top of a cave — with topflight bat researcher Sharon Swartz. Come for the astounding bat video, stay for Wendy’s outsized facial reactions. Footage courtesy of Swartz and Breuer labs, Brown University, supported by the NSF. Produced by Flora Lichtman with help from Wendy Zukerman. Fact checking by Carmen Drahl. Mix and sound design by Bumi Hidaka. Music by Bobby Lord and Emma Munger.