With climate change causing temperatures to rise across the globe, extreme heat is becoming more and more of a health threat. The human body is resilient, but it can only handle so much. So what is the highest temperature people can endure? The answer is straightforward: a wet-bulb temperature of 95 degrees Fahrenheit (35 degrees Celsius), according to a 2020 study in the journal Science Advances . Wet-bulb temperature is not the same as the air temperature you might see reported by your local forecaster or favorite weather app. Rather, a wet-bulb temperature is measured by a thermometer covered in a water-soaked cloth, and it takes into account both heat and humidity. The latter is important because with more water in the air, it's harder for sweat to evaporate off the body and cool a person down. If the humidity is low but the temperature is high, or vice versa, the wet-bulb temperature probably won't near the human body's tipping point, said Colin Raymond, a … [Read more...] about What’s the hottest temperature the human body can endure?
Between November 1936 and November 1937, H.G. Wells gave a series of lectures in Great Britain, France, and the US about the world’s impending problems and how to solve them. The lectures were first published under the title " World Brain" in 1938, and they’re sweeping in scope. Wells argued for rearranging both education and the distribution of knowledge and thought we should probably get rid of nationalism while we’re at it. MIT Press has just issued a compendium of these lectures , along with related material Wells presented as magazine articles and radio addresses. The collection also includes a foreword by the science fiction writer Bruce Sterling and an introduction by Joseph Reagle, an associate professor of communication studies at Northeastern who writes and teaches about popular culture , digital communication , and online communities . Unequal information Humanity had all of the information necessary to live together in peace … [Read more...] about H.G. Wells’ “World Brain” is now here—what have we learned since?