Have You Ever Wondered?

One of the things I like, is to figure out and understand how and why things work the way they do. I ran across 3 articles this morning ... and while they are not things I've ever thought about ... they are interesting, and explain the "how and why" of everyday occurances - except for maybe quicksand!

Quicksand Myth Debunked: You Can Float Free
Sandcastle Physics Revealed
Cereal Science: Why Floating Objects Stick Together