Millionaire biohacker Bryan Johnson accepts that his critics will laugh if he gets hit by a bus and dies, even as he dedicates his life to the search for immortality.
Destanee Aiava was once called the best 14-year-old female tennis player in the world. Just over a decade later, she is walking away from the sport and calling out its toxic culture.
Why is swapping saliva something all human societies have normalised? Turns out kissing isn't just a human thing — all sorts of species appear to kiss, and new research suggests Neanderthals did it too.
