Marcus du Sautoy, Professor of Mathematics at the University of Oxford, escorts you through the most important of all intellectual disciplines: Mathematics, the Empress of the Sciences.
Growing up can be confusing! When Zach and Annie face difficulties in their lives, they go to special place called Plato's Peak. There, Plato—a talking buffalo!—and his friends are always willing to lend a helping hand.
Soledad O'Brien hosts the 26th annual geography bee, which features students in Grades 4-8 competing for college-scholarship money. The winner receives $25,000; the second- and third-place finishers, $15,000 and $10,000. From Washington, D.C.
By 2050, there will be more plastic than fish in the oceans. PBS NewsHour takes a closer look at this now ubiquitous material, how it's impacting the world and ways we can break our plastic addiction.