Residents cool off at Barton Creek in Austin, Tex., during a June heat wave. Parts of Texas have seen weeks of punishing heat and humidity | Suzanne Cordeiro/AFP via Getty Images

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Daniel Swain for Scientific American — What’s Causing This Record-Breaking Heat?

UCLA climate scientist Daniel Swain discusses record-breaking heat around the globe for Scientific American, explaining how the brutal heat and humidity has been “breaking daily record high temperatures over and over again for days on end.”