The brawl between Donald Trump and Elon Musk may be the best political theatre of the year so far, which is saying something. Mr Musk looks like the more vulnerable of the two pugilists. Our article explains why. 

Elsewhere, China’s electric-car manufacturers are in a price war. The existence of a $7,700 model from BYD, the biggest producer, might seem like a good thing for the planet—but it is causing authorities to fret that a bloodbath for weaker companies is imminent. 

And what did scientists analyse to reveal more secrets of the Dead Sea Scrolls this week? Answer this and more questions on the headlines in our pint-sized news quiz.