Mental Floss

MF EXPLAINS IT ALL









We all have nipples. Sometimes they hurt. Here's why.

There are a few reasons why nipples can feel sore, but the most common can be found in your laundry hamper.

Ken Ossea, Jr.








No need to be skeeved out.

Why does lettuce turn pink? Contrary to what you might think, it’s not because bacteria has taken over.

Ellen Gutoskey




"May I please use can when asking permission to do something?"

Many a teacher has reinforced the grammar rule that ‘may’ is for asking permission—not ‘can.’ But there’s a little more to it than that.

Ellen Gutoskey




Grass: nature's torture device.

The inviting green stuff is supposed to bring us closer to nature. Instead, grass creates a stinging, itchy sensation. What gives?

Jake Rossen