Know your brasserie from your bistro? How to navigate the French dining scene

From what to wear and what to order, our expert reveals how to avoid the perils and pitfalls of eating out in France ...

In 1992, NASA boiled liquid refrigerant in microgravity; without buoyancy to carry the bubbles upward, they merged into one giant bubble over the heater

In September 1992, a small experiment aboard the space shuttle Columbia produced a striking result that had not been shown so ...