Overview: On today's episode of Daily Planet, we follow a team of researchers who are biting the bullet in search of better bulletproof vest testing methods. Plus, as the red carpet unrolls for this weekend's Academy Awards, we give you a behind-the-scenes look at what it takes to bring stunts to the big screen. Then, Alan Nursall takes charge as he shows us how to build a battery, we check out a tire-testing track in Texas, and Mythbusters' Jamie and Adam join us for answer portion of this week's Mindbender. Don't miss these and the new segments of Trending, Discoveries, Planet You and Weird Planet, all on tonight's Daily Planet.