WORLD · SCIENCE
November 7, 20194 min read, 713 words
Published: November 7, 2019 | 4 min read, 713 words
The fact we can confidently balance on top of a pair of meat-sticks without toppling over is the very symbol of human evolution. Yet just how we came to stand upright in the first place remains a hotly debated topic. Now we have a new piece in the puzzle. Recently discovered fos...