I'm reading Randall Munroe's book How To: Absurd Scientific Advice for Common Real-World Problems. I probably don't have to tell you this, but it's awesome (as is everything from Randall Munroe, the ...

Here's how to make people happy: Give them helium balloons with strings. Here's how to make people unhappy: Give them helium balloons without strings. I learned this at a sweltering Fourth of July ...