Brandywine Falls: A hangover from the Ice Age

Are mushrooms fungi?

Red snow algae

Mount Cayley: Is it a dead volcano? Or just snoozing?

Ring Mountain - Tuya or Table Mountain (or by any other name a very special volcano)

How old is a mountain? Or are they ageless?

Rocks and Runs: The geology of Whistler Mountain

Bees, basalts, and hexagons: The geometry of nature

Edible Wild Plants

Alligators in my garage

Amphibian Surveys

Into the swamp

Adventures of an Amphibious Kind

On A Clear Day, 14,000 Years Ago

Whistler's Lakes: A special gift from the Ice Age

Why Flute is Red and Piccolo Green: Anatomy of an ancient volcano