The sight of a snail is often met with disgust, with many considering the slimy-skinned molluscs to be pretty gross. So imagine putting some on your face and letting them roam around. Disgusting? Mad? It’s actually a new beauty treatment gaining supporters across the UK.

What's the best way to get a protein boost? Eating a 14oz steak? Downing a Maximuscle shake? Or nibbling on a few crickets? The designers behind the Jungle Bar – which uses crickets as an alternative protein source – hope that the power of protein will convince skeptics to eat insects.

The global shift to a Western diet rich in meat and dairy is putting unprecedented pressure on the planet to feed a growing population. Could a more sustainable diet resolve health and hunger crises around the world? And would people really be willing to switch to a greener menu?

Experimental eating is grabbing headlines, and Mexican street food chain Wahaca's new grasshopper dish is no exception. Can the foreign origins of these provocative products be harnessed to create an appealing sense of authenticity?