Snowflakes and Minerals

Did you know that snowflakes are minerals?

This was a question on a sample test I gave to our rocks and minerals team for Science Olympiad: True or False: Snowflakes are minerals? The teens thought they had that question aced when they answered false.

Now I just hope that question is on the test tomorrow when they compete at the regional competition.

Testimony to the perfection of creation

Cosmic coincidence spotted : Nature News

For all you mathematicians!
Hat-tip NEW ADVENT: Home

Ice formations by the Mississippi

We saw those yesterday traveling from WI to SD...

Another Update on Life of Fred

Back in 2006 I blogged on the Life of Fred algebra textbook and some passages that contained innuendo and drug references. Some of those passage have been removed or change.