Climb Up & Ski Down Alaskan Peaks, Find the Bacteria of NYC's Subway, Photograph the Egyptian Revolution, Glowing Sharks, Banana Recipes

Summary: This week, we find out what is the tallest mountain in Alaska's Brooks Range; swab New York City's subway system to see what bacteria we find; photograph Egypt's revolution and try not to get hurt; discover glow in the dark sharks; and learn about the new fungus that's eating our bananas.