400 Million Years of Ferns

Ferns are all leaf, all the time—no celebrated flower, no seduction of the insect. At the tips of green sprouts, curled fiddleheads unroll while leaflets widen behind them like the wakes behind boats. My store-bought Boston fern, tended for years with no expertise, is a fountain of green, its dazzling fans of leaves arching up, […]

A Blog Table of Contents

Life appeared on earth about 3.8 billion years ago. The posts here discuss parts of that history as well as its results in present-day organisms. Although I’m not a scientist,  gaining some understanding of this epic has become important to me as I’ve grown older. It intrigues and consoles me, stirs my imagination, and beckons […]