The Week’s Best Longreads for April 20, 2013

From America’s horrific, unregulated day-care centers to the new search for life on Mars, The Daily Beast picks the best journalism from around the Web this week.

04.20.13 7:07 PM ET

“The Story Behind the Bombers”
Christopher Dickey, Eli Lake, and Daniel Klaidman, Newsweek

Did al Qaeda ideology inspire the attack, or were the two brothers driven by other motivations?

“The Hell of American Day Care”
Jonathan Cohn, The New Republic

An investigation into the barely regulated, unsafe business of looking after our children.

“The Martian Chroniclers”
Burkhard Bilger, The New Yorker

A new era in planetary exploration.

“Waking Up on the Wrong Side of the Ratings War”
Brian Stelter, The New York Times Magazine

How a toxic clash of personalities cost NBC’s Today its No. 1 ranking. Matt Lauer may yet lead the show back to the top spot, but the morning is tougher now than ever.

David Koresh’s Tragic Spell”
Tim Madigan, Fort Worth Star-Telegram

Twenty years later the survivors of the controversial FBI siege in Waco still remember.

“Apex Predator”
Brian Lam, Popular Science

Can a crew of scientists and volunteers armed with homemade trackers save sharks from extinction?

For more great longreads, visit our friends at Longreads.com.