Monthly Archives: November 2013

John Baez about the diminishing number of Monarch Butterflies in North America. Monarch Butterflies Have you ever seen one of these? It’s a Monarch Butterfly. Every spring, millions fly from Mexico and southern California to other parts of the US and … Continue reading →

John Baez on water:   Water Over a year ago, I wrote here about ice. It has 16 known forms with different crystal geometries. The most common form on Earth, hexagonal ice I, is a surprisingly subtle blend of order … Continue reading →