Why hair matters

We lift the curtain on how everyone from toothpaste brands to the United Nations is using science to influence your choices in ways you’re probably not aware of. Behavioural science has even made its way into TV drama. How does it work? And why is it so effective?If you'd like to ...  Show more

Demand has been surging for copper around the world - from renewable energy projects, to AI data centres, to infrastructure networks. Production, however, has struggled to keep pace, pushing prices close to record highs in late 2025 and early 2026.As the value of the metal has ri ...  Show more

For many women and girls in Africa, getting their hair is a done is an essential ritual to feel and look good. Many find the hair salon to be one of the few places where they have time for themselves, to chat, laugh, to share good news and sorrows. But what if seeing your stylist ...  Show more

Hair is an important part of our identities – straight, frizzy, long, not there at all – and our efforts to keep it styled and clean have created an $80 billion hair care industry. Many products offer to improve the life of the stuff on our heads, but isn't it all just dead pr ...

Climate change is on people’s mind, and with the climate summit - COP27 - about to kick off in Egypt, it continues to be a hot topic. And some of the little decisions we make every day are helping to fuel the rapid climate changes. Even those that you might not give a second thou ...  Show more

Sapna Bhavnani is one of India's most celebrated hair stylists and is known for her own cropped hair and tattoos. Her Mumbai based salon, Mad-O-Wat, is the go-to place for Bollywood's A-list when their hair needs some attention. Clients include actors, politicians and sports star ...  Show more