Not-so-intelligent design

Connor Wood


Chalk up another setback for the intelligent design (ID) crowd. In a lengthy treatment of unfortunate sexual traits in Science News, writer Susan Milius explores the counterintuitive notion that evolution can sometimes produce characteristics that are, well, no good. The examples cited range from bemusing to downright gross: seed beetle genitalia that grievously injure females during the mating act, sexual apparatuses in ducks that are remarkably incompatible between males and females, and costly peacock tails that—contrary to decades of speculation about their role in mating advertisement—actually seem to do nothing to attract females. [Read more…]