Why is portion size so important to a healthy diet? In what ways do our emotions impact our eating habits? How is ‘local’ cuisine spreading across the globe? Are foodies finally bored of picture-perfect meals on Instagram? And why are people willing to pay a premium for courgetti?

In 2013, over 3 billion passengers took to the skies. As airlines aim to make flying as simple as taking the train, could everything people would normally associate with air travel – endless queues, bad food, cramped, uncomfortable seats – be about to change for the better?

For those of us who identify as nervous flyers, being in a plane isn't a very pleasant experience, but what if an app could calm you down? That’s what Japan’s All Nippon Airways is attempting to do with their ANA Takeoff Mode app, intended to alleviate flying-related stress.

Would a glass of Champagne and a well-seasoned shish kebab be enough to make you switch airlines? After years of feeding passengers the bare minimum, some airlines are now offering larger portions, gourmet dishes and even ice cream in an attempt to win over economy fliers.