Facts We Learn as Children Aren't Supposed to Change

People who don't know a lot about science treasure what they do know, what they learned early as children, like: a) Eskimos have lots of words for snow. b) Wait 20 minutes after lunch before going swimming. c) There are nine planets, and the ninth one is Pluto.d) The biggest dinosaur ever was the Brontosaurus.e) Triceratops was the one with the three horns.f) T-rex was awesome. One of the nice things about growing up is you don't have to spend time thinking about planets, digestion or awes...

 Rules in Science and the Loss of the Brontosaurus

A hundred years earlier, a very popular dinosaur mistakenly got named twice. The first time it was called "Apatosaurus" or "deceptive lizard" and nobody much cared, because the name was dull and the fossil wasn't all that spectacular, but later discoveries were more dramatic and looked different enough that scientists mistakenly thought they'd found a new dinosaur. They called it "Brontosaurus" (meaning "thunder lizard"). Brontosaurus stuck, in part because of the cool name, plus the Sinclai...