There are more exciting articles coming in May!
Visit a worker honeybee in her hive. Learn the roles of all the bees that live there.
Discover how magnets work and how they are used in the world.
Accompany a National Geographic explorer as he canoes through Africa’s Okavango delta.
Explorer VOL. 15 NO. 6 DEVELOPMENT TEAM
Vice President and Publisher: Francis Downey Executive Editor: Richard Easby Creative Director: Karen Thompson Explorer Editor: Brenna Maloney Young Explorer Editor: Corinne Rucker Permissions Editor: Jean Cantu Production Specialist: Dreama Karnes-Bynane
Manufacturing & Quality Management: Rachel Faulise
Director of Production: Nicole Elliott
PUBLISHED BY NATIONAL GEOGRAPHIC SOCIETY
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 Society, 1145 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 offi ces.
To subscribe:
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
Copyright © 2016 National Geographic Society. 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: rufous hummingbird 2/16/QGL/1
ISBN: 9781337084512
PICTURE CREDITS COVER: ANNIE KATZ/GETTY IMAGES; PAGES 2-3 DONALD M. JONES/GETTY IMAGES; PAGES 4, 6, 8 (BACKGROUND) MAXYM/SHUTTERSTOCK; PAGE 4 GERALD A. DEBOER/SHUTTERSTOCK; PAGE 5 © DONALD M. JONES/MINDEN PICTURES; PAGE 5 (MAP) KPG_PAYLESS/SHUTTERSTOCK; PAGES 6-7 ILLUSTRATIONS BY ROSALYNN CANTU; PAGE 7 © TIM FITZHARRIS/MINDEN PICTURES; PAGE 9 (TOP LEFT) GLENN BARTLEY/GETTY IMAGES; PAGE 9 (BOTTOM LEFT) DANIEL A. LEIFHEIT/GETTY IMAGES; PAGE 9 (TOP RIGHT) © TOM VEZO/MINDEN PICTURES; PAGE 9 (BOTTOM RIGHT) © NEIL BOWMAN/FLPA/MINDEN PICTURES; PAGE 10 NASA, ESA, THE HUBBLE HERITAGE TEAM (STSCL/AURA), A. NOTA (ESA/STSCL), AND THE WESTERLUND 2 SCIENCE TEAM; PAGES 10-11 © MARCO LORENZI; PAGE 11 NASA/JPL-CALTECH/2MASS; PAGES 12-13 RICHARD CRISP/GETTY IMAGES; PAGE 13 (TOP) SCIENCE PHOTO LIBRARY/MARK GARLICK/GETTY IMAGES; PAGE 13 (BOTTOM) HUBBLE, LARGE BINOCULAR TELESCOPE, SUBARU TELESCOPE/COMPOSITION & COPYRIGHT: ROBERT GENDLER; PAGE 14 SCIENCE PICTURE CO/GETTY IMAGES; PAGES 14-15 NASA, ESA, M. ROBBERTO (SPACE TELESCOPE SCIENCE INSTITUTE/ESA) & THE HUBBLE SPACE TELESCOPE ORION; PAGE 15 FORS TEAM, 8.2-METER VLT ANTU, ESO; PAGES 16-17, 20, 21, 22, 23 THOMAS P. PESCHAK; PAGE 18 (MAP) PHOTORAIDZ/SHUTTERSTOCK; PAGES 18-19 (TOP) © SALIM AMIN; PAGES 18-19 (BOTTOM) PRECISION GRAPHICS; PAGE 24 © THEO ALLOFS.
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