Ever wonder why tape measures are curved instead of flat? Learn why it's shaped that way and how it helps you measure better!

Add articles to your saved list and come back to them any time. Straight line, curved line. Ask Paula Walden about her approach to jewellery design and this is the description she reaches for first.

This May, Bolton will unveil his Karl Lagerfeld Met exhibition, “Karl Lagerfeld: A Line of ... exhibition design he created hinges on the physical intersection of curved and straight lines ...