As of this writing, there are – give or take – 7,815,637,687 human beings living on planet Earth. This staggeringly large number is made even more unfathomable by the fact that each one of us is unique in the particular combination of features that make us, well, us. How we become the individuals we become […]
Author Archives: Richard Sima
Richard Sima is a science writer based in Baltimore, Md. He covers the environmental and life sciences and has written for Scientific American, Discover, New Scientist, and elsewhere. He has a Ph.D. in neuroscience from Johns Hopkins University and an undergraduate degree in neurobiology from Harvard College.