Off the Trails: Snow-walkers

Snow was falling, snow on snow, as the song goes, and another four inches fell on the thick snow blankets already on the ground. Splendid! We strapped on our snowshoes and took off. Read more

The science behind bioluminescence in the sea

Have you ever dipped a paddle or an oar into the sea on a dark night, or watched the wake of an outboard motor, and seen the swirl of light churned up by the turbulence? Read more

Off the Trails: November musings and mysteries

November brought many small delights and some puzzles along the trails. Read more

Off the Trails: October scrapbook

Here is an assortment of observations from different places at different times during the month. This October must set some sort of record for sunny days and lack of rain. Read more

Off the Trails: Plant evolution and life cycles

Occasionally, friends have asked me about the life cycles of plants, so here I will attempt to summarize them, in the context of plant evolution. Read more

Off the Trails: Toadlets, sticklebacks and sweetgrass

A short visit to Gustavus in mid-July yielded a diversity of interesting observations. My friend had a report of toads near a gravel pit, so we went out to see. Read more

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