A series of commissioned highlights for New Scientist magazine You and Your Microbiome Mother Tongue - ‘The hunt for the lost ancestral language of Europe’ Effortless Thinking - ‘Why some ideas come naturally to us, and why they’re usually wrong’ White Matter - ‘Brain boosting: It's not just grey matter that matters’ Detrain Your Brain - ‘How to unlearn habits, fears and craving’ Migration The Dragons of Climate Change Inaction Gut Thinking - ‘When it comes to your moods, decisions and behaviour, the brain in your head is not the only one doing the thinking’ Hidden Talents Microglia - ‘The mind minders: Meet our brain's maintenance workers’ Sound Bugs - ‘Whistling Wi-Fi: How gadgets sing data to each other’