National Geographic : 2013 Feb
Go Blue Find out why you should paint your roof the color of the sky. Shun Sharks There may be a link between shark fins and alzheimer’s disease. Applaud Pluto Close-up photos from a spacecraft could improve the orb’s reputation. Pay Heed to Butterflies They may offer important information about the extent of climate change. Dig Into Asteroids They can contain tons of platinum. Make Use of Fireflies The molecules that turn on their glow can reveal food-borne bacteria. Chart Ocean Currents Data from satellites paint a picture of chaotically flowing water. 19 136 4 6 8 10 16 Editor’s Note Letters Survival Guide VISIONS NG Connect The Moment Flashback On the Cover The Temple of Zeus was part of the colony of Cyrene, founded by the Greeks in the seventh century B.C . in what is now libya. The ruins of this vital city were rediscovered in the early 1700s and today are a uNEsCO World Heritage site near shahhat, libya. Photo by George Steinmetz Your Shot PHOTOs: maTTHIEu PalEy (TOP); CHarlIE HamIlTON JamEs (mIDDlE) DIgItal EDItIONS February 2013 NEXt Contributions to the National Geographic Society are tax deductible under Section 501(c)(3) of the U.S. tax code. Copyright © 2013 National Geographic Society All rights reserved. National Geographic and Yellow Border: Registered Trademarks ® Marcas Registradas. National Geographic assumes no responsibility for unsolicited materials. Printed in U.S.A. Subscriptions For subscriptions, gift memberships, or changes of address, contact Customer service at ngmservice.com or call 1-800 -NGs-lINE (647-5463). Outside the u.s. and Canada please call +1-813-979-6845. Please recycle. PRiNTed oN 100% PeFC-CeRTiFied PAPeR National Geographic is available on the iPad, the kindle Fire, and the iPhone. Ocean Currents Video Animation Admire the swirling beauty of the oceans in motion. River Otters Video See how they use their senses underwater. Wakhan Corridor Video Get a glimpse of life on the roof of the world.