Everybody knows that the normal human body temperature is 37°C, but that hasn’t been true since the 19th century
Source:
https://www.newscientist.com/article/2229715-humans-are-cooling-down-so-average-body-temperature-is-no-longer-37c/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home