Butterflies do it horizontally (published on Nautilus)
What is a species? It’s a question that has agonized scientists since well before Darwin. With some exceptions, the thinking has landed...
Old Guys and Butterflies
“Are you looking for Weight Watchers?” A tall man with a clipboard looks concerned, and I am, in fact, confused. The plushy red...
What Counts
Hi friends. I have been a downright slacker when it comes to blogging! But I am officially dug in on my next book project, which is...
The Journey, not the Arrival
For three years I worked with a big inter-agency and multiple institutional team to make a new map of San Francisco called Nature in the...
Heroes of the big, little world
(This is adapted from my commencement address to The Ross School in East Hampton, where I grew up, earlier this month.) When I was...
We are all scientists
While many scientists are pledging to March for Science across the country on Earth Day, April 22, some of their colleagues plan to sit...
