Whistler’s Mother, is a painting in oils on canvas created by the American-born painter James McNeill Whistler in 1871.

But are you really smarter than your great-grandmom? IQ tests measure the kind of intelligence that makes you do well at school. If we had tests for the kind of intelligence that lets you run a farm, raise eight children and make perfect biscuits on a smoky wood stove, your great-grandmom might look a lot smarter.

Smarter Every Year? Mystery of the Rising IQs