If your head tells you one thing, and your heart tells you another, before you do anything, you should first decide whether you have a better head or a better heart.

Be able to analyze statistics, which can be used to support or undercut almost any argument.

Know how weather, especially humidity, can affect the movement of doors and windows.

When our spelling is perfect, it's invisible. But when it's flawed, it prompts strong negative associations.

Be able to recognize many of the major constellations and know the stories behind them

Be able to blow out a dinner candle without sending wax flying across the table.

Know the names of past and current artists who are most famous for playing their instruments.