ADVERTISEMENT
  About the SA Blog Network

Posts Tagged "evolutionary biology"

Bering in Mind

The fattest ape: An evolutionary tale of human obesity

Long before I began stockpiling a rather eclectic collection of curiously homoerotic Men’s Fitness magazines in my closet as a randy teenager, decades still before the global pornification of the 21st -century Internet age, my tender childhood libido found a secret refuge amidst the colorful scenes contained in a handful of old university textbooks placed [...]

Keep reading »
Bering in Mind

One reason why humans are special and unique: We masturbate. A lot

There must be something in the water here in Lanesboro, Minnesota, because last night I dreamt of an encounter with a very muscular African-American centaur, an orgiastic experience with – gasp – drunken members of the opposite sex and (as if that weren’t enough) then being asked by my hostess to wear a white wedding [...]

Keep reading »
Bering in Mind

Reopening the case of the female orgasm

Now that I’ve written at some length about the curious evolution of the male reproductive system in our species, I thought it only right to devote a column to the natural origins of a biological mechanism that doesn’t involve the Y chromosome. Well, at least it doesn’t have to. Needless to say, the subject of [...]

Keep reading »
Bering in Mind

Why do human testicles hang like that?

Earlier this year, I wrote a column about evolutionary psychologist Gordon Gallup’s “semen displacement hypothesis,” a convincing hypothesis presenting a very plausible, empirically supported account of the evolution of the peculiarly shaped human penis. In short, Gallup and his colleagues argued that our species’ distinctive phallus, with its bulbous glans and flared coronal ridge, was [...]

Keep reading »

More from Scientific American

Scientific American MIND iPad

Give a Gift & Get a Gift - Free!

Give a 1 year subscription as low as $14.99

Subscribe Now >>

X

Email this Article

X