Today's Takeaways: A Historic Agreement, Riding By Pluto, An Infamous Experiment

Download
Illustration: What's icy, has "wobbly" potato-shaped moons, and is arguably the world's favorite dwarf planet? The answer is Pluto, and NASA's New Horizons got to see it in real life.
( Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute / NASA )
PRI WNYC