Wedding photographer Charleton Churchill is willing to hike the extra mile, plunge into the depths of caves, and scale the highest peaks (think: Everest) to highlight the splendors of nature — and ensure his images of couples are just as memorable as the ceremonies themselves.

A kidney donation chain could narrow the huge gap between organ supply and demand. Kidney matchmaker and transplant surgeon Jayme Locke explains how.

Architect John Cary traveled to Montgomery, Alabama, for the opening of the National Memorial to Peace & Justice, which recognizes the estimated 4,300 lynchings that have occurred in this country. He shares his impressions of the powerful monument to racial violence.

It seems like a story made for the movies: the first general-purpose computer was actually programmed by a half-dozen female math whizzes. Yet for too long, their efforts have been largely unknown. Lawyer and digital-rights advocate Kathy Kleiman describes her quest to learn about them and bring them some overdue recognition.

Anxiety could be the price that we have to pay for freedom, suggests psychologist Steven Pinker.

Outraged at the incidence of sex crimes at colleges, activist Jess Ladd got mad — and then she got to building. Here’s how she developed a secure and sensitive reporting system that’s in use on 13 campuses.

You’ve probably used and discarded hundreds of pencils in your life so far. Put your knowledge to the test — and learn some cocktail party trivia in the process.