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A tessellation is an arrangement of shapes closely fitted together. There are many examples of tessellations found around us in nature, outer space, hobbies, architecture, and the arts. How do you use...

You see matter and energy acting and interacting everywhere. Our universe is always changing. Around 13.8 billion years ago, our universe began in a big bang from a singularity or a tiny, dense, fireb...

Where did the ancestors of the Inca come from? How did the Inca Empire develop? Who was the founder of the Inca civilization? What caused the downfall of the Inca?

The universe and our world are full of magical glories. Our blue marble earth is a miracle. It is located just the right distance from the sun for life to exist. This is called the “Goldilocks Effec...

How was our moon formed? Why is the moon so important? What caused the craters on the moon's surface? Is the moon moving toward earth or away from earth?

It is 1620. We Pilgrims do not agree with the Church of England and decide to sail to America which is known as the New World. Ahead of us is a wooden cargo ship with no sails. We see a wooden mayflow...

Let’s go back thousands of years to a time called the Ice Age. The earth is colder than today. Part of the earth has been covered with ice and snow for a long while. How can you survive? "I’m sooo...

After Germany lost World War II in 1945, a cold war started with the United States and its friends against the Soviet Union (formally known as Russia) and its friends. Why?

 

 

A cycle is a series of events that are repeated in the same order or almost the same order. Everywhere you look on earth as well as in outer space, you will find many cycles.

It’s Saint Patrick’s Day. The leprechauns are heading to a house to cause mischief. The family can’t see them. But little Baby who doesn’t talk yet is able to see the leprechauns. What will ha...

A pattern is a repeated design that is found everywhere in our world and even in outer space. Fractals are never-ending patterns also found everywhere.

The Great Depression took place during the 1930s in the United States. There was huge unemployment, banking failures, declines in factory production, and increases in poverty and homelessness.