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A measure of the degree of variability or dispersion in a set of data is provided by the standard deviation. In practical terms, a low standard deviation may indicate that the data is reasonably...
The life of the world’s favorite mouse 1928 – Walt Disney dreams up Mickey on a cross-country train trip. The little mouse makes his film debut in Steamboat Willie on November 18, the date...
How did the Asian food utensils originate? In much of Asia, especially the so-called “rice bowl” cultures of China, Japan, Korea, and Vietnam, food is usually eaten with chopsticks. Chopsticks are two long, thin,...
More tea is consumed around the world than any beverage except water. The history of tea dates back to around 3000 BC. In prehistoric China tea was probably used as a relish and as...
Greenland is a self-governed Danish territory lying between the Arctic and Atlantic Oceans. It is the sixth largest landmass on Earth, and by the most common convention it is the largest one to be...
If you were living near Jupiter’s famous Great Red Spot, your weather forecast would be something like this: Expect lightning storms and winds gusting to 340 miles per hour for the next few hundred...
There are several myths about Explorers. Some of the most popular ones that still abide in popular memory are: Christopher Columbus discovered America Most people think so. But the truth is that the Vikings,...
Called Chomolungma (“goddess mother of the world”) in Tibet and Sagarmatha (“goddess of the sky”) in Nepal, Mount Everest was once known by the pedestrian name of Peak XV among Westerners. That was before...
The Paris Louvre museum held on to its title as the world’s most popular museum in 2017, welcoming a record 8.1 million people. Overview The Louvre Museum in Paris , France , is the...
The Qinghai-Tibet railway is the world’s highest railway. The line boasts high-tech engineering to stabilise tracks over permafrost and oxygen pumped into cabins to help passengers cope with the high altitude. China says the...