It looks like a cute little dolphin-themed toy, but the Flipper Zero is a surprisingly powerful learning tool for hacking.

As one of the world’s most frequent flyers, CNN’s Richard Quest has an encyclopaedic knowledge of airlplanes, having flown in most of them. From the BAC 1-11 to the A380, here are his favorites.

Checking up on the claims of water filter makers can be a discomfiting maze. Here's how to verify independent water filter ...