Assembling the wing from thousands of tiny identical pieces could make aircraft lighter and more energy efficient. How it works: The wing is made from an open, lightweight lattice framework that is covered with a thin layer of polymer material. It looks like thousands of matchstick-type struts welded together in small triangle shapes.

A woman with advanced breast cancer has made a dramatic recovery after receiving a personalised therapy using her own immune cells. It's the first time this type of therapy has worked in breast cancer, suggesting that it may be able to help many more people with common types of cancer, even after they've spread to other parts of the body.