“The B line is probably the only mass transit system in the world where one can see a train approaching, yet have time to cross the street, buy a burrito, cross the street again, and be ready before the train arrives.” — Patrick Allen of Brighton, Mass., in WGBH’s “How You’d Fix the T” survey.
A “space tornado” nebula. Part of a series of newly released images from NASA’s Spitzer Space Telescope. (Story.)
The scene Thursday morning as fans began to swarm Fenway Park for the centennial open house. Read, listen to and watch our coverage of Fenway 100. (Story.)
Where science becomes art: ocean wind currents look like a Van Gogh. (Story.)