Among the innumerable categories of human biodiversity, babyfacedness has received all too little attention. There is about one item per annum in the science news. (The last one I recall was a study showing that baby-faced business executives advanced faster in their careers than non-babyfaced ones . . . but I can’t find the thing on the Internet, the memory is vague, and I may have it wrong.)

Here’s the Beeb telling us that “babyfaced people live longer.” I wouldn’t be surprised. The most famous babyface of the 20th century lived to be 90 on a steady diet of booze and cigars. (He once remarked: “All babies resemble me.”