I tell you how cool it is to scan QR codes to get more information or to go directly to a website without having to type in the long address, and this week I’m telling you to beware some QR codes. But ...

Scientists unfold the secret lives of bees using QR codes. Here's all the secrets they found.

Researchers are aiming to work out how far bees will fly from the hive to forage for food, with the goal to learn more about their travel and feeding patterns.