True or false?… Chewing gum stays in your stomach for years. Sloths are lazy. Chocolate gives you acne. Men with big feet have big penises. In the new issue of Focus, find out which myths are true and which are false…

Swarm Bots

Meet the robots that hunt in packs

Hot Earth

Global warming is going to get worse ass weather patterns like El Nino come into sync

Winter Olympics

The physics at work behind the elite athletes’ incredible feats

Q&A

Find out why space is dark

PLUS

• Megapixel: Amazing images from around the world 
• Update: The biggest stories from the science and technology world
• Objects of Desire: The Google phone and a healthy chip fryer 
• Tried & Tested: Soundbars on test in the Focus labs 
• Mindgames: Puzzles that’ll baffle the biggest brain, and a crossword to confound the cleverest of clogs