fertility
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Coming Soon: Fewer Humans
I’ve always taken it for granted that the number of people on the planet was steadily rising. Where did I–where did we—get that impression? The sources have been all around us, some hidden in our vocabulary: “millions” of viewers watching… Continue reading
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Fertility and the Evolution of Ball Games
The multiple TVs at a local bar last summer showed all the following games: baseball, football, tennis, soccer, basketball, and golf. Most of the time, on all the screens, the focus was on the ball. Was it in or out,… Continue reading
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It’s Diversity All the Way Down
“The most impressive aspect of the living world is its diversity. No two individuals in sexually reproducing populations are the same, nor are any two populations, species, or higher taxa [categories of organisms]. Wherever one looks in nature, one finds… Continue reading
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Feeling Old? Envy the Lobster
Death may be difficult to accept, but it is a clear state of affairs: when an organism no longer lives, it has died. Aging, however—wrinkling, weakening, deteriorating and the rest of the assault—seems less self-explanatory. Why does it take place?… Continue reading
Lives on Earth 