When I set up the schoolroom with my stuffed animals in my bedroom, I became a teacher.

FORBES: Living The Dream

Cumulatively, these resulted in the famous projection map of Gerardus Mercator in 1569, a plan of the world that still forms the basis of schoolroom teaching and Google Maps.

WSJ: Lost in Our Maps: A History of Cartographic Catastrophes

The indiscriminate carnage in Tucson looks more like the killings by a deranged student at Virginia Tech in 2007, or the schoolroom atrocity at Columbine in 1999, than the assassinations of the Kennedys or Martin Luther King.

ECONOMIST: The Tucson shootings

There is a smell on me, sex, that no one else in my schoolroom has.

NEWYORKER: The Reptile Garden