The pictures last night from the Daytona 500 are absolutely frightening. Sure, Matt Kenseth won, but the images of an absolute fireball of a wreck are what we'll all remember. It could have been much, much worse.

Aerobics instructor Michelle Gibson is photographed in her class at Bally's in Capital Heights, Maryland on February 15, 2012. (Marvin Joseph/WASHINGTON POST)

AIDS is as mysterious a disease as this globe has ever seen. In the years since the HIV epidemic first came to light, the theories surrounding its origin and correlated stigmas have been plentiful. The Post's Craig Timberg and Daniel Halperin explain how without “The Scramble for Africa,” it’s hard to see how HIV could have made it out of southeastern Cameroon to eventually kill tens of millions of people. They should know, they wrote a book about it. And they even talked about it on NPR's Fresh Air.

Google's new privacy setting have made many users uncomfortable. Because people believe they have an inalienable right to free e-mail with no intrusions, people are up in arms about the fact that the company plans to track most of what they do in order to try to make more money. And for those considering abandoning Google altogether, the decision to switch email addresses has been tough. The Post's Cecilia Kang points out how it can be harder even than changing a bank account.

I never knock another person's source of inspiration. But sometimes, they can be quizzical. Mount Pleasant singer-songwriter Rene Moffatt has apparently been motivated by Metro's 42 line to write music. As in, music about the actual bus line. Think Jason Mraz with a SmarTrip card and a touch of transplant angst. And you can bet the words "service" and "nervous" find their way into this little ditty. The Post's Dana Hedgpeth chronicles how this transit/love song came to be.

If you're a Hoyas fan, last night was a feel good moment . Seniors Jason Clark and Henry Sims were integral in a beatdown of Notre Dame on those two's last ever home games for Georgetown. There's an argument that this was the best game they played all season, but it's undeniable that the team's defense is in top form. The Post's Tarik El-Bashir has the gamer for the victory that put the Hoyas in good position for a double-bye in the Big East conference tournament.

Extra Bites

• When I learned yesterday that Jan Berenstain, co-creator of The Berenstain Bears kids books passed, I was sad. But, some mothers say good riddance as those books were in fact, terrible in any real-world context for parents.

• If you're looking for a way to unseat Obama, Karl Rove is one of the guys who thinks he has a way to do it. Read the theory in Foreign Policy.

• Tell me, what's wrong with this picture? We've got a long way to go, folks.

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