Primary sex ratio, the short version

Five months after our article with Orzack et al. appeared in PNAS, showing that the primary sex ratio (the fraction of boys conceived) is close to 50%, contradicting centuries of supposition that it was substantially higher (more male-biased), Bill Stubblefield, Jim Zuckerman and I have published a popular account of the research in Nautilus. It was an interesting experience, the back and forth with an editor to make something comprehensible and gripping for a general audience.

I didn’t end up exactly as we would have liked, but it was probably better — as an effort to explain the science and the background to a general audience — than what we would have produced entirely on our own. The layout and graphics are also very well done.

It’s now been condensed down to three paragraphs on Gizmodo. They even condensed the illustration.

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