Q: My dad helped me plant a couple of young apple trees in my backyard last weekend and so far, so good. After we finished I said the only thing I had left to do was paint the trunks white.

"That was actually quite surprising for me because Goshun’s painting is more realistic," Gao said. To test if this value had something to do with tree recognisability in art, the researchers ...

In London, a copse of reconstituted trees is welcoming audiences to Ai Weiwei’s exhibition at the Royal Academy, where, eight years ago, David Hockney unveiled his 40ft painting Bigger Trees Near ...