Earth’s Magnetic Pole Reversals (Encore)
Once every 450,000 years or so, the Earth undergoes a radical transformation. The planet’s magnetic field will literally flip. The North Pole becomes the South Pole and vice versa. Despite the fac...
20 Mar 202511min
March Madness
Every March, the United States experiences a period known as March Madness. It is the time when college basketball teams compete for a national championship. The process of crowning a national cham...
19 Mar 202515min
Why is the Alphabet in Alphabetical Order?
All of you are familiar with the ABCs. It is one of the very first things that children are taught. Not only are they taught the letters that comprise the alphabet, but they are also, usually at the ...
18 Mar 202514min
The Invention of the Telephone
The 19th century was one of rapid technological advancement. Of all of the innovations to come out of this century, and there were many, perhaps none was more important than that of the telephone. ...
16 Mar 202515min
Betamax vs. VHS (Encore)
In the late 1970s and early 1980s, a war erupted in the world of video technology. Two competing video tape formats fought to gain supremacy in the market. In the end, one format crushed the other an...
15 Mar 202513min
The Cardiff Giant
In 1869, the world was shocked by a discovery that was made outside of the town of Cardiff, New York. Two workers discovered what was claimed to be the remains of a 10 foot tall, petrified human bei...
14 Mar 202514min
Lunar Eclipses
For as long as humans have been watching the night sky, they noticed that every so often, during a full moon, the moon would briefly go dark, or at least change color. They often created mythical ex...
13 Mar 202514min
