Cody Gough, podcast host at Curiosity.com, discusses new studies that reveal why we may not want to be around people when we're sick. He also describes the physical characteristics that tell people when we're feeling under the weather.
Gough jokingly discusses why people are scientifically wired to "call out sick." Our immune system sends signals to our brain when we're ill telling us to not be around others. We also dig into the evolutionary aspects of being sick. Naturally, when we're sick our bodies want us to get rest in order to heal and avoid infecting others.
The planet's temperature spiked on Tuesday to its hottest day in at least 44 years and likely much longer, and Wednesday could become the third straight day Earth unofficially marks a record-breaking high, the latest in a series of climate-change extremes that alarm but don't surprise scientists.
The only break much of America can hope for anytime soon from eye-watering dangerous smoke from fire-struck Canada is brief bouts of shirt-soaking sweltering heat and humidity from a southern heat wave that has already proven deadly, forecasters say.
