If you’re looking for a way to dwindle ten minutes - or maybe even ten hours - from your life, then try drawing the perfect freehand circle on a touchscreen device and let this wonderful little ...

The best secrets are the hardest to find.

The Pope hoped to hire a fresco artist and sent to Giotto a messenger, who asked for a competitive sample drawing. With just paper and a pen, Giotto flicked his wrist and drew a perfect circle.

The impossible task: drawing a perfect circle. A POV.