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What’s In My Brain: Grass vs Mold

Two columns. One is an example, one isn’t. Can you figure out the hidden rule before the big reveal?

New Uses For A Cardboard Tube

So, what can a cardboard tube be used for other than holding wrapping paper?

Not Like The Others: US National Parks

Four US national parks. One doesn’t belong. But which one? That depends on your argument.

A Caffeine Investigation – Part 3

Caffeine is everywhere. But what are the ads really saying? Analyze the claims, then create your own public service announcement.

A Caffeine Investigation – Part 2

What do people know about the amount of caffeine in common beverages?

A Caffeine Investigation – Part 1

So… just how much caffeine can you have before you end up in the ER?