This octopus-inspired smart skin can change shape and reveal hidden secrets on command.

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 ...

Do you know what a circle looks like? Can you name some other shapes too? A two dimensional (2D) shape is made of lines. Sometimes the lines are curved and sometimes the lines are straight. The lines ...

Two-dimensional (2D) shapes are completely flat. 2D shapes can be found printed in a book or on a website. 2D shapes have sides and corners. A rectangle has 4 straight sides and 4 corners. A square is ...

Fill, fold, eat and repeat. Not much can beat soft pillows of ravioli expertly stuffed with a creamy filling. But ravioli’s other filled-pasta siblings may just give it a run for its money. Agnolotti ...