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(ISSN 1930-8116) 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 Attn: Young Explorer Magazine, National Geographic Society, PO Box 291875, Kettering, OH 45429. Periodical postage paid at Washington, D.C., and additional mailing offices.

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DIGITAL CREDITS | COVER: STEVE WINTER/NATIONAL GEOGRAPHIC IMAGE COLLECTION. TOC: (BACKGROUND) RUDI_SUARDI/ISTOCK/GETTY IMAGES PLUS; (ORANGUTANS) © ANUP SHAH/MINDEN PICTURES; (FOOD) JUSTUS DE CUVELAND/IMAGEBROKER/AGE FOTOSTOCK; (RHINO) INTERNATIONAL RHINO FOUNDATION. LOOK IN A RAINFOREST: (ORANGUTANS) © ANUP SHAH/MINDEN PICTURES; (BACKGROUND) CHARLES O’REAR/CORBIS DOCUMENTARY/GETTY IMAGES PLUS; (CORPSE PLANT) FADIL AZIZ/CORBIS DOCUMENTARY/GETTY IMAGES PLUS; (GINGER FLOWER) © JURGEN & CHRISTINE SOHNS/FLPA/MINDEN PICTURES; (BARBET) FLPA/NEIL BOWMAN/AGE FOTOSTOCK; (HORNBILL) B.G. THOMPSON/SCIENCE SOURCE; (LANGUR) MATJAZ COREL/ALAMY STOCK PHOTO; (TIGER) © EDWIN GIESBERS/NATUREPL.COM; (SNAKE) © DANIEL HEUCHLIN/NATUREPL.COM. WHERE FOOD GROWS: (MARKET PRODUCE) JUSTUS DE CUVELAND/IMAGEBROKER/AGE FOTOSTOCK; (APPLES) ROMAN SAMOKHIN/SHUTTERSTOCK; (APPLE TREE) IVAN GALASHCHUK/SHUTTERSTOCK; (BLUEBERRIES) AZURE1/SHUTTERSTOCK; (BLUEBERRY BUSH) JED SHARE/KAORU SHARE/GETTY IMAGES; (PINEAPPLE) VIKTAR MALYSHCHYTS/SHUTTERSTOCK; (PINEAPPLE PLANTS) ALEXANDRA RIBERIO/EYEEM/GETTY IMAGES; (CARROTS) NATTIKA/SHUTTERSTOCK; (CARROTS GROWING) CULTURA RM/ALAMY STOCK PHOTO; (PEAS) OLEG11/SHUTTERSTOCK; (PEA PLANTS) DEYANA ROBOVA/ ALAMY STOCK PHOTO; (CORN COB) KOVALEVA_KA/SHUTTERSTOCK; (CORN PLANTS) INTI ST CLAIR/GETTY IMAGES; WE EAT PLANT PARTS: (LETTUCE) MR. NAKORN/SHUTTERSTOCK; (BROCCOLI) MAKS NARODENKO/SHUTTERSTOCK; (PEPPER) MAKS NARODENKO/SHUTTERSTOCK; (ASPARGUS) JIANG HONGYAN/SHUTTERSTOCK; (CARROTS) VOLOSINA/SHUTTERSTOCK; (PEAS) MAXIMILLIAN STOCK LTD/PHOTOLIBRARY/GETTY IMAGES PLUS; (TOMATO PLANT) HENNADII H/SHUTTERSTOCK; (TOMATOES) AKANE1988/SHUTTERSTOCK. A RARE RHINO: (BABY DELILAH) SCOTT CITINO; (DELILAH & MOM) INTERNATIONAL RHINO FOUNDATION; (VIDEO) INTERNATIONAL RHINO FOUNDATION; (DELILAH & MOM EATING) ) INTERNATIONAL RHINO FOUNDATION; (DELILAH IN MUD) YAYASAN BADAK INDONESIA; (ADULT DELILAH) INTERNATIONAL RHINO FOUNDATION; (RHINOS & CARETAKER) JEREMY HANCE. WORDS TO EXPLORE: (SCIENTISTS) SUZANNE LONG/ALAMY STOCK PHOTO; (RHINO) SCOTT CITINO; (PLANT) AMENIC181/SHUTTERSTOCK; (RAINFOREST) TREVOR PENFOLD/ALAMY STOCK PHOTO. THE END: SEBASTIAN FROLICH/MAURITIUS IMAGES/AGE FOTOSTOCK.