Record-breaking heat means ice cubes now cost more than bread and milk in parts of Mali. "I've come to buy ice because it's very hot now," says 15-year-old Fatouma Yattara as she visits her local ...

But they act differently in other ways too. Let's see what happens if you put hot water and cold water into room temperature water. Place a few ice cubes into a cup and add two tablespoons of water to ...

Without ice cubes, "You can still create a crisp crust ... which is most directly subjected to the oven's heat, remains moist and supple instead of hardening too fast. This helps the loaf expand ...