Category Archives: evolution

Bad Memes

There is an infectious agent (I forget whether it’s a virus or a bacterium) that causes ants to crawl out to the tips of grass leaves. This change in the ant’s behavior is of no value to the ant — … Continue reading

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Why Is There Sex?

Pardon me for boasting, but on the way home from the gym this morning I seem to have solved a long-standing problem in evolutionary theory. I don’t think I’ve read this idea anywhere — it just sort of popped up. … Continue reading

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The Big Picture

Physicists have pretty well established that the way the universe works depends on the values of a small bunch of numerical constants. The strength of gravity, for instance. If gravity were slightly stronger, stars would all collapse into neutron stars, … Continue reading

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Life Is a Brewery

I’m re-reading a couple of science books I read a few years ago — The Violinist’s Thumb by Sam Kean and Microcosm by Carl Zimmer. Both are about cell biology, and while they’re addressed to the intelligent layman, they’re not … Continue reading

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Fuzzy

Surprisingly often, scientific researchers make what (eventually, perhaps after decades) turn out to be bad assumptions. They simplify a vexing problem in order to investigate it with the available tools, and then assume that what they’ve learned describes what happens … Continue reading

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Win or Lose

Back in the early ’80s, I used to play pool with a guy named Dave Williamson. We would drive down to a nearby pool hall and play 8-ball while eating lunch. Dave was Keyboard’s advertising director, and a very competitive … Continue reading

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Lingua Franca

So you’re describing the human species to a xenosociologist named Erbq, who comes from a planet somewhere near Aldebaran. You tell him (actually, Erbq is a him/2, but let’s not get into that) that we humans use tools and communicate using spoken … Continue reading

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