Keeping Up with pg. 10 Standing Room Only: Life in a Crowded City pg. 16 Want Some Dim Sum? Slithering Snakes! p g . 6 mu mu mu mu mu mu mu mu mu mu mu mu mu mu mu mu mu mu mu mu mu mu mu mu mu mu mu mu mu mu mu mu mus s s s s s s s s s s s s s s s s s s s s s s s s s se e e e e e e e e e e e e e e e e e e e e® volume 17, number 9 November/December 2013 The magazine of life, the universe, and pie throwing Life That Lights Up page 6 Making Outer Space Less Black and White page 28 Watercolor Robot Goes to Washington page 12 00.COVER_NovDec.indd 1 9/19/13 3:05 PM