Most Recent Posts
Why Did the Egyptians Make Mummies?
Why Did the Egyptians Make Mummies? The ancient Egyptians believed that there was a life after death. They reasoned that if the body is…
How Do Cats Purr, and Why Do They Do It?
How Do Cats Purr, and Why Do They Do It? A cat's purr starts as vibrations in the blood vessels of the chest, around…
Why Do Dimes Have Ridges on Their Rims?
Why Do Dimes Have Ridges on Their Rims? You have probably noticed the ridges, or grooves, on the edges of such U.S. coins as…
What Gives Opals Their Colors?
What Gives Opals Their Colors? The beautiful flashes of color given off by a precious opal as it is turned and viewed from different…
Why Does the Leaning Tower of Pisa Lean?
Why Does the Leaning Tower of Pisa Lean? The tower of Pisa is the bell tower of the cathedral of Pisa in Tuscany, Italy.…