When China’s top livestreaming salesman, Austin Li, vanished over a tank-shaped ice cream cake, many fans thought he was gone for good.

'Pink faces with stylish Southern sag, old Ivy styles, seersucker coats and buttondown collars. “Mayblossom Senility” (Steadman’s phrase) … burnt out early or maybe just not much to burn in the first place.'

In the early 20th century, the German biochemist Otto Warburg believed that tumors could be treated by disrupting their source of energy. His idea was dismissed for decades — until now.

They can have abilities their creators did not foresee