The human brain is 2 to 3% of body mass, but consumes 25% of the body's energy. This is "metabolically expensive", and technologies like cooking food were important for facilitating the evolution of our large brains.
(From a TED talk: Heribert Watzke: The brain in your gut)
The good, the bad and the bigly: Trump’s early presidency in photos - He signed dozens of executive orders, welcomed leaders from around the globe, and, oh boy, did he tweet. As Donald Trump enters his 100th day as the 45th p...
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