The Artemis Program
On December 14, 1972, the last human beings left the moon's surface. In the half-century that has passed, we have never returned. After many setbacks and delays, NASA is again ready to return to the ...
29 Elo 202210min
The Congo River
Located in the heart of the African continent is one of the world’s largest rivers: the Congo. The Congo basin covers much of Central Africa, winds through some of the world’s largest rainforests, an...
28 Elo 20229min
The Louvre: The World’s Greatest Museum (Encore)
Located in the heart of Paris, along the banks of the River Seine, lies the Louvre. It has over 750,000 square feet of gallery space, over 615,000 items in its collection, and in a non-pandemic year,...
27 Elo 202211min
The Schlieffen Plan (Encore)
When the Austro-Hungarian Arch Duke Franz Ferdinand was assassinated, a chain reaction resulted in the First World War. The war was fully anticipated, and one of the belligerent countries, Germany, ha...
26 Elo 202210min
What Ever Happened to Amelia Earhart? (Encore)
Amelia Earheart was a pioneer in the early days of aviation. She became the first woman to fly solo across the Atlantic. She was the first person to fly solo from Hawaii to California. In 1937, she se...
25 Elo 202210min
Where Did Mathematical Symbols Come From? (Encore)
One of the simplest mathematical statements possible is 2+2=4. While the concept is very easy to understand, when you write it down, you have to use mathematical symbols, historically a relatively rec...
24 Elo 202211min
J. Harlen Bretz: Proving Theories Via Outliving Your Critics (Encore)
Many people have an idealized view of how science works. They think that someone makes a discovery or publishes a paper, then everyone acknowledges their discovery, and everyone moves on to the next t...
23 Elo 20229min
The Grand Duchy of Luxembourg
Sandwiched between the nations of Germany, Belgium, and France is one of the smallest countries in the world. Given its location, it is a blend of cultures and languages. Likewise, its history has be...
22 Elo 202212min
