Build a bridge that can hold rocks with your child. One at a time, place rocks in the center of the paper and observe how many rocks the paper can hold before it falls. Ask your child what he thinks ...

There’s a bridge in the north of England that’s made of 22,000 pieces of paper. Before you ask, yes, you can walk across it. A simple poppy-red arch, the bridge is the work of Steve Messam. Messam is ...