Underneath its spiky exterior, the fruit is smooth, juicy and beautifully sweet. The spikes of the lychee fruit -- also known as litchi -- may be a deterrent for some animals, but for humans willing to break it away, it's an exotic and tasty treat. And often, just one is not enough.
For all the talk about Pope Francis' techno-savvy -- and 10 million Twitter followers ain't bad for a 80-year-old churchman -- he doesn't seem sold on Silicon Valley's endless promises. As he wrote in his 2016 encyclical, Laudato Si, all those tweets and selfies can add up to a big pile of "mental pollution" that distracts us from what is really important.