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Humans

From the August 14, 1937, issue

Trees inspire a new kind of architectural support, a university sophomore finds the first mosasaur fossil west of the Rockies, and an oilman scoffs at fears over increasing atmospheric carbon dioxide due to industrial activity.

Animals

Worm Lovelies

Polyclad flatworms are soft, juicy, and delicate coral-reef dwellers. To avoid predation, many have evolved brilliantly hued coloration. It’s a trait that often signals a critter is toxic, as many of these worms indeed are. Alas, their bright skins are likely not well appreciated by members of their own species, owing to very poor eyesight. […]

Physics

Road Bumps: Why dirt roads develop a washboard surface

Experiments and a computer simulation show why dirt roads develop a washboard surface, and indicate the only way to prevent it: Drive very slowly.