WHAT HAPPENED IN THE YARNELL FIRE?

A routine Arizona wildfire resulted in the greatest loss of firefighters since 9/11. Who were the Granite Mountain Hotshots?

ELEPHANT WALKS DOWN BROADWAY

As students vie for 2014 internships in an industry where 22-year-olds can make more than $100,000 a year, interviews with three dozen fraternity members showed a network whose Wall Street alumni guide resumes to the tops of stacks, reveal interview questions with recommended answers, offer applicants secret mottoes and support chapters facing crackdowns.

GETS CORY BOOKER RT

Rand Paul has a lot of problems with you people, and now you're going to hear about them. The Kentucky senator and presumed presidential hopeful may be a fan of Christmas, but, being hip and youthful and such, he nevertheless took to Twitter this morning to participate in the traditional Festivus "airing of grievances."

THIS WILL GET UNDER YOUR SKIN

Science can be many things. Ambitious. Awe-inspiring. Confusing. Elegant. Wrong. And Creepy. We've been enjoying some really weird, gross and shiver-causing science this year, and we've collected our favorites here for you.

A SECURITY EXPERT'S PERSPECTIVE

The TSA couldn't protect you from a 6-year-old with a water balloon. What are my qualifications for saying that? My name is Rafi Sela, and I was the head of security for the world's safest airport. Here's what your country does wrong.