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In this issue of How It Works, take a tour of your brain to learn more about mental health and ways that you can improve your well-being.

Also: find out whether or not a supernova could engulf Earth, what are ultra-processed foods?, 7 times AI went horribly wrong, why water has a ‘skin’, incredible D-Day inventions, and much more.

For more science and technology articles, pick up the latest copy of How It Works from all good retailers or from our website now. If you have a tablet or smartphone, you can also download the digital version onto your iOS or Android device. To make sure you never miss an issue of How It Works magazine, subscribe today!