My Formerly Identical Twin
Genes are one thing, genetic switches another …
Toilet Talk, Part 2
New technology can save water and combat killer diseases
Herschel and the Steelheads
It’s time to bust the sea-lion party and save some Seattle salmon
Dabbling in Darwin
The polymathic Victorian is good company on a winter’s evening
Galileo’s Spyglass
The telescope resulted from his improvements to a mere curiosity
Science v. Poetry
Worlds apart, and yet alike in many ways
Toilet Talk, Part 1
More than a matter of waste not, want not
Jupiter and the Galilean Satellites
Our largest planet and its moons inspire shock and awe
Elephant: Not an Elegy
Big and bright, long-lived and loyal, they engage our imagination
Black Holes
After some stars collapse, even light cannot escape
