This page contains a Flash digital edition of a book.
Explorer VOL. 14 NO. 6 VOL. 9 NO. 4


DEVELOPMENT TEAM DEVELOPMENT TEAM


Vice President and Publisher: Francis Downey


Vice President and Publisher: Francis Downey


Art Director and Designer: Karen Thompson Explorer Editor: Brenna Maloney Young Explorer Editor: Corinne Rucker Media Editor: Shannon Hibberd Permissions Editor: Jean Cantu Production Specialist: Dreama Karnes-Bynane


Director of Production: Nicole Elliott


PUBLISHED BY NATIONAL GEOGRAPHIC LEARNING


Manufacturing & Quality Management: Rachel Faulise


Art Director and Designer: Karen Thompson Senior Editor: Macon Morehouse Young Explorer Editor: Corinne Rucker Explorer Editor: Brenna Maloney Media Editor: Shannon Hibberd Permissions Editor: Jean Cantu Production Specialist: Dreama Karnes-Bynane Director of Production: Nicole Elliott


PUBLISHED BY NATIONAL GEOGRAPHIC LEARNING


Read three thrilling articles in your next issue of


National Geographic Explorer.


Join National Geographic photographer Gabby Salazar as she uses photography to help save our planet.


Discover how wild animals use tools to survive.


Scale a cliff and enter a series of mysterious caves in Nepal.


PHOTO CREDITS COVER: © PIOTR NASKRECKI/MINDEN PICTURES; PAGES 2-3 MASA USHIODA/VISUALS UNLIMITED, INC.; PAGES 4-8 (BACKGROUND) ZFFOTO/SHUTTERSTOCK; PAGE 4 © FLORIS VAN BREUGEL/NATUREPL.COM; PAGE 4 (INSET) © ATSUO FUJIMARU/NATURE PRODUCTION/MINDEN PICTURES; PAGE 5 (TOP) © MASANA IZAWA/NATURE PRODUCTION/MINDEN PICTURES; PAGE 5 (BOTTOM) © KIM TAYLOR/NATUREPL.COM; PAGE 6 © DAVID SHALE/NPL/MINDEN PICTURES; PAGE 7 (TOP) DANTÉ FENOLIO/SCIENCE SOURCE; PAGE 7 (BOTTOM) EDIE WIDDER/VISUALS UNLIMITED, INC.; PAGE 8 DR. CHARLES MAZEL/VISUALS UNLIMITED, INC.; PAGE 9 © DOUG PERRINE/NATUREPL.COM; PAGE 9 (INSET) WIM VAN EGMOND/VISUALS UNLIMITED, INC.; PAGES 10-11 © PIOTR NASKRECKI/MINDEN PICTURES; PAGE 12 © PIOTR NASKRECKI; PAGE 13 (TOP) © PIOTR NASKRECKI/MINDEN PICTURES; PAGE 13 (BOTTOM) © PIOTR NASKRECKI; PAGE 15 (BOTH) © PIOTR NASKRECKI/MINDEN PICTURES; PAGES 16-17 © PIOTR NASKRECKI; PAGE 17 (TOP) © PIOTR NASKRECKI; PAGE 17 (BOTTOM) © PIOTR NASKRECKI/ MINDEN PICTURES; PAGES 18-19 SCIENCE SOURCE; PAGES 20-23 (BACKGROUND) BRUCE ROLFF/SHUTTERSTOCK; PAGE 21 (TOP) ISSAC IMAGE COURTESY UND UMAC; PAGE 21 (BOTTOM) 3DSCULPTOR/GETTY IMAGES; PAGE 23 (BOTH) NASA; PAGE 24 BEN CRANKE/GETTY IMAGES.


Keep exploring the stories from NATIONAL GEOGRAPHIC EXPLORER with our Home Learning App in the Apple App Store.


NATIONAL GEOGRAPHIC EXPLORER (ISSN 1541-3357) is published seven times during the school year—September, October, November–December, January–February, March, April, May— by National Geographic Learning, 1125 17th Street NW, Washington, D.C. 20036. Postmaster: Please send address changes to NATIONAL GEOGRAPHIC EXPLORER, PO Box 37863 Boone, IA 50037-28633. Periodical postage paid at Washington, D.C., and additional mailing offices.


To subscribe: To subscribe:


In the U.S., call 1-888-915-3276 In Australia and New Zealand, + 61 2 8005 6889


Copyright © 2015 National Geographic Learning. All Rights Reserved. Reproduction of the whole or any part of the contents of NATIONAL GEOGRAPHIC EXPLORER without written permission is prohibited. National Geographic, NATIONAL GEOGRAPHIC EXPLORER, and the Yellow Border are trademarks of the National Geographic Society.


Cover: pygmy Mount Gorongosa chameleon


Cover: a gecko 09/14/QGL/1 ISBN: 9781305472129


02/15/QGL/1 ISBN: 9781305472006


Copyright © 2015 National Geographic Learning. All Rights Reserved. Reproduction of the whole or any part of the contents of NATIONAL GEOGRAPHIC YOUNG EXPLORER without written permission is prohibited. National Geographic, NATIONAL GEOGRAPHIC YOUNG EXPLORER, and the Yellow Border are trademarks of the National Geographic Society.


In the U.S., call 1-888-915-3276 In Australia, + 61 2 8003 3011 In Canada, 1-800-268-2222 In China, + 86 10 6489 7629 In Hong Kong, + 852 2750 8978 In India, + 91 982 031 0063 In Malaysia, + 65 6513 8878 In Singapore, + 65 6513 8878 In South Korea, + 82 2 708 2573


In Canada, 1-800-268-2222 In China, + 86 10 6493 4469 In Hong Kong, + 852 2191 2518 In Malaysia, + 60 3 2782 0243 In New Zealand, + 64 9 889 3988 In Singapore, + 65 6744 9888


NATIONAL GEOGRAPHIC YOUNG EXPLORER (ISSN 1930-8116) is published seven times during the school year—September, October, November–December, January–February, March, April, May— by National Geographic Learning, 1125 17th Street NW, Washington, D.C. 20036. Postmaster: Please send address changes to NATIONAL GEOGRAPHIC YOUNG EXPLORER, PO Box 4002913, Des Moines, IA 50340–2913. Periodical postage paid at Washington, D.C., and additional mailing offices.


Find your online Teacher’s Guide, interactive whiteboard lessons, and digital editions at ngexplorer.cengage.com.


Page 1  |  Page 2  |  Page 3  |  Page 4  |  Page 5  |  Page 6  |  Page 7  |  Page 8  |  Page 9  |  Page 10  |  Page 11  |  Page 12  |  Page 13  |  Page 14  |  Page 15  |  Page 16  |  Page 17  |  Page 18  |  Page 19  |  Page 20  |  Page 21  |  Page 22  |  Page 23  |  Page 24