I feared my worms had all died during a great winter cold spell. Temperatures in my basement dipped below 50 degrees which I had read was the absolute limit for red wiggler survival. One day I went down to see if I could at least harvest some worm castings for houseplants I was repotting - and I found a worm. More than one worm!I don't know how many there are, but although my photo doesn't show it, the…