Heat wave: Why your sweat cant cool you down [2PAyIqgdxbU]
Typically, we sweat to cool off. But during this heat wave, sweating might not do the trick. The Globe's Ken Mahan explains what makes this heat wave unusual when it comes to cooling down. READ MORE: SUBSCRIBE TO OUR CHANNEL FOR MORE VIDEOS. READ OUR JOURNALISM FROM NEW ENGLAND AND BEYOND. FOLLOW US ON: Facebook ► Twitter ► Instagram ► TikTok ► #heat #heatwave #weather #humidity #sweat