Your headline on the front-page picture story “Wasteland: Gazans return to desolation” (January 23) reminded me of the speech made by the Pictish chief Calgacus, who fought the Romans at the battle of ...

The Largest Hot Desert When imagining the vastness of the world, the Sahara Desert often stands out. 2 million square kilometers, it ranks as the largest hot desert on our planet. To give you a sense ...