As I am sitting here on a March morning looking out the picture window of my office, I’m watching the snow slowly fall and settle on the branches of budding trees. Winter is saying farewell reluctantly.
Most everyone knows that snow forms from freezing water vapor in the atmosphere, but who can explain why water freezes at a certain temperature? Or why it first contracts, then expands during the freezing process, which is the reason ice floats on the top of lakes rather than sinks to the bottom (which would eventually end all life on earth via a terminal ice age)?