Science
A Cloud Can Weigh 1.1 Million Pounds. Here's Why It Floats
A typical cumulus cloud holds about 1.1 million pounds of water. It floats because its tiny droplets fall about 1 cm a second, slower than rising air.
October 2026
Travel
Why the US–Europe Time Gap Shrinks by an Hour Every Fall
Europe turns its clocks back a week before the US, so for seven days New York is four hours behind London. The 2026 dates and what shifts.