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Our ancient ancestors weren’t jacked. They were energy savers. | Daniel Lieberman Daniel Lieberman's video "Our ancient ancestors weren’t jacked. They were energy savers" delves into the cost of keeping our bodies running and explains why physical activity was limited for our ancient ancestors. Lieberman explains that basic, essential bodily functions require a significant amount of energy. Even when doing nothing, our bodies spend about 1,400 calories per day just to keep us alive. This cost of maintaining our bodies helps to explain why we tend to avoid unnecessary physical activity. Our ancestors had to conserve energy and didn't waste i...... Read Full article on HadNews

Once upon a time, people believed you could ascertain a person’s character and personality traits by examining the bumps and shapes of their skull. Such study was called phrenology and its proponents were not just people on the fringe; established scientists beieved such a “science” had merit. “In origin was distinctly medical,” writes Robert E. Riegel in a 1933 article published in The American Historical Review. “Its originators being the doctors François Joseph Gall and John Gaspar Spurzheim, who did the greater part of their work in the first two decades of the century.” Gall received his doctorate in 1785 and became “a successful,...... Read Full article on HadNews