The world’s oceans are becoming dangerously acidic. A controversial proposal would raise the pH — by mixing chemicals into ...

The orange juice that many people like to drink with breakfast is naturally high in sugar. But it also contains citric acid, ...

Every day, millions of people use thermal paper without thinking about it. Receipts, shipping labels, tickets, and medical ...

You toss them in the blue bin with confidence. A pizza box here, some shredded paper there, maybe that coffee cup from this ...