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category_outlined / Science
National Geographic MagazineNational Geographic Magazine

National Geographic Magazine January 2019

The latest news in science, exploration, and culture will open your eyes to the world’s many wonders. Get a National Geographic digital magazine subscription today and experience the same high-quality articles and breathtaking photography contained in the print edit.

United States
National Geographic Society
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₹ 354.06
₹ 1,975
12 Issues


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witness the birth of tech in valley of the boom

This 1984 photo shows Bill Gates, left, and the late Paul Allen. The two founded Microsoft, one of the companies featured in Valley of the Boom. (DOUG WILSON)In the 1990s Silicon Valley attracted hordes of inventors, investors, and con artists eager to join the technological revolution. The six-part series Valley of the Boom combines scripted storytelling with documentary interviews to chart the meteoric rise and cataclysmic burst of the dot-com bubble, through the lens of three companies that were trying to change the world with technology. The series premieres on January 13 at 9/8c, on National Geographic. ■…

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into medicine’s future

To sequence a genome, long strands of DNA are cut into small pieces. Then each is analyzed to determine the arrangement of DNA’s four base chemicals—adenine, cytosine, guanine, and thymine—seen in this illustration as different colors. (PHOTO ILLUSTRATION: KTSDESIGN/SCIENCE PHOTO LIBRARY)WHEN WE ASKED veteran journalist Fran Smith to write about new frontiers in medicine for this month’s issue, the first thing she did was volunteer to be, in her words, “a research guinea pig.” She got her genome sequenced.Smith didn’t hesitate. After all, she told me, she’s never understood some people’s skittishness about medical testing and learning what may—or may not—loom in their health future.“You’re not safer if you don’t know,” she says, sensibly enough. “And you can find out things that are very useful and that you can do…

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home pharma

LOOKING AT THE EARTH FROM EVERY POSSIBLE ANGLESWITZERLAND Art collectors Candelita and Arnaud Brunel have a voluminous trove of medicine.ITALY Andrea Buccolini keeps salve handy for bruises earned as a reenactor of ancient Roman battles. (EDOARDO DELILLE)INDIA Most of this Mumbai family’s medicines are for Abbas Ali Sagri (seated at right), who had a stroke.LATVIA Ingrīda Pulekse, a retired schoolteacher, takes few pills now but saves those from past illnesses.HAITI Wholl-Lins Balthazar (left), pictured with her mother-in-law and cousin, relies on traditional Haitian medicine, mainly plants from local markets or from a leaf doctor, known as a medsen fey.COSTA RICA His parents bought but haven’t yet given medicine to Johan, seven (third from left), for ADHD.JAPAN Yasumasa and Nobuko Kawai use drugs to treat his heart condition and her osteoporosis.FRANCE…

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the backstory

SWITZERLAND Susan Fischer, a yoga teacher, uses only homeopathic remedies, including plant extracts.WHENEVER PHOTOGRAPHER Gabriele Galimberti meets people on his travels, he asks the same question: Can I see what’s in your medicine cabinet? Some are shy; others proud to do so. “The medicines reveal who the people are,” says Galimberti. “Their desires, their wants, their diseases. It’s very intimate.”What can our medicines say about us? For one, how affluent we are. Cabinets in developed countries tend to overflow with pharmaceuticals. People in less developed countries collect medications more slowly or not at all. A Haitian woman had not a single pill in the house: “If I get sick, I’ll buy a pill from the street vendor,” she said.The medicine cabinet series, “Home Pharma,” is part of a larger ongoing…

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doctor photographer

I STOPPED RECEIVING CALLS on my cell phone while I was training to be a doctor. My friends knew better. My life was not my own. As a resident I sometimes worked nearly a hundred hours a week, overseeing as many as 18 patients at once. Even my mom stopped calling me. I used my phone instead for medical apps—the one that could tell me which antibiotic to prescribe for which bug, the calculator that helped me determine treatments, the app that stored lab values I couldn’t remember.Then one day my cell phone rang. I was on rounds seeing patients and stepped out to the hall. I didn’t recognize the number, but the area code was Washington, D.C. This call, I thought, must be important. “Yes?” I whispered in the…

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watch what—and when—you eat

(PHOTO: MARK THIESSEN)MICHAEL ROIZEN, M.D., is chief wellness officer at the Cleveland Clinic and a New York Times best-selling author.MICHAEL CRUPAIN, M.D., is chief medical officer for television’s The Dr. Oz Show. Both have long linked a better diet with better health. But their new book, What to Eat When, says emerging science confirms that “when you eat is as essential as what you eat for maintaining a good weight, preventing and curing some diseases, and living a long, energetic, and happy life.”Ahead of the book’s December release, the doctor-authors answered questions for National Geographic.Tell us about the science behind your approach to eating.We’re all familiar with our biological clocks—the circadian rhythm that sends out chemical signals at certain times to help us wake, sleep, and do other activities. Well,…