Two nail pros explain all the different nail shapes you can choose from and how to know which is best suited to you – from ...

Compare four sets of pattern blocks. Use pattern blocks to make different shapes. Warm up with a Mystery Math Mistake to tell whether Dotson's 10-frames represent a number less than his focus number.

If you freeze up every time your manicurist asks how you want your nails filed, you’re not alone. Choosing a nail shape can feel surprisingly high-stakes, especially when the wrong one can throw off ...

Pupil shapes vary widely across the animal kingdom, from the W-shaped pupils of cuttlefish to the bar-like pupils of goats. But why are animal pupils shaped so differently?