Skeptophilia

Although you don't tend to hear much about it, the Ordovician Period was a very peculiar time in Earth's history. From beginning (4...

I've always thought it was astonishing that anything short of extremely cold-adapted species could make it through an ice age. During th...

Right now, here in the wilds of upstate New York, it's cold, gray, and snowy.  They say our area has a "four-season climate" -...