
The Outside Story: Pesky flies are built to evade the swatter
On sunny, warm days, house flies hatch and buzz around homes and offices. These flies complete aerobatic stunts that easily evade human efforts at swatting or shooing. That aerial agility, so frustrating to the would-be swatters, is thanks to a pair of highly specialized sense organs called halteres.

The Outside Story: Lichens are winter’s tough survivalists
In a February forest, evergreens provide welcome color.

The Outside Story: Why many hairy caterpillars ‘sting’ but woolly bears don’t
Last October, a young student in one of my nature journaling workshops pointed out a fuzzy yellow caterpillar with long black tufts. “Those kind sting!” he declared.

The Outside Story: Are brighter monarchs better flyers?
The September before my daughter was born, my husband and I went for our last pre-baby hike around Camel’s Hump. We stopped for a snack on the ridgeline, and as we sat munching granola bars we were surprised to see a monarch butterfly flap past, battling the turbulence at this higher elevation.