It's essentially a cropped cut hair, but a little bit tousled and grown-out. I, along with everyone else on the planet, was hankering after a reinvention. And what better—or more straightforward ...

Picture this, you are the parent of an 11-year-old girl who only days previously was her usual bright and energetic self; but now you are in hospital hearing the words no parent ever wants to hear.

Researchers used high-speed X-ray imaging to capture laser-metal interactions in less than a millisecond.