National Geographic : 2013 Jan
Keeping an Eye on the Pole Buoyant and steered by the current, a new vessel will gather critical data about Antarctic climate. Scat Journal To conservation biologists, an animal’s droppings pack a history of its diet, territory, and sexual state. Explorers Quiz The first in a series. Test your knowledge of Easter Island, Teddy Roosevelt, and the space shuttle. New Light on Dark Energy This mysterious force causes our universe to expand ever faster. Experts are making a sky map to learn more. Monsters on Maps Why did old-time cartographers depict leviathans and dragons? Turns out there are a couple of reasons. 148 150 4 6 8 10 16 19 Editor’s Note Letters Survival Guide VISIONS NG Connect The Moment Flashback Cover Credits Space art by Dana Berry of SkyWorks Digital (inspired by a design made in the 1970s for the British Interplanetary Society’s Project Daedalus); monkeys by Tim laman; colorized streptococcus by Martin Oeggerli, with support from School of life Sciences, FHnW; Cory Richards, self-portrait; DEEPSEA CHALLENGER by Mark Thiessen, nGM Staff (a joint scientific project by James Cameron, the national Geographic Society, and Rolex) Your Shot PHOTOS (FROM TOP): nATIOnAl FIlM AnD SOunD ARCHIvE OF AuSTRAlIA; AnAnD vARMA; MARCO GROB Risk Takers Video Hear from the explorers profiled in this issue. Polar Adventure Video Watch Mawson’s team battle the elements. Exploring Yasuní Video Follow our photographers into Ecuador’s wild park. January 2013 NEXT Contributions to the National Geographic Society are tax deductible under Section 501(c)(3) of the U.S. tax code. Copyright © 2012 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 DIgITal EDITIONS National Geographic is available on the iPad, the kindle Fire, and the iPhone.