Frozen

This is a frozen lake near where I live in Maine. It is called Sebago Lake and it is not frozen yet, but it soon will be. The Lake is very large and deep so it takes a while to freeze - mid January being about normal time for the surface to be covered in ice.

Germs

For those of your have always wondered what germs actually look like, here is a drawing of some germs. They really do look just like this.

Pattern

Pattern - Here is the repeating checkerboard pattern, slightly twisted and distorted in this case.