탐색내 라이브러리
과학
National Geographic Magazine

National Geographic Magazine April 2013

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.

국가:
United States
언어:
English
출판사:
National Geographic Society
빈도:
Monthly
더 읽기
구독
₩23,837
12 발행호

이번 호 내용

2
editor’s note

Resurrection the idea of “de-extinction,” of bringing back a long-gone species like, say, a woolly mammoth, might seem the stuff of science fiction. But it’s almost real, explains author carl Zimmer in this month’s story “Bringing them Back to life.” the cool factor of such a zoological restoration is off the charts, but de- extinction also raises some interesting questions about human beings and our impact on the world. Many extinctions occur because of our thoughtlessness or carelessness. we want a better life. we want to make the unhabitable habitable. we want to fill our stomachs. Sometimes what gets caught in the cross fire of our wants is a species. you could say an extinct species is the collateral damage of human existence. Just because we might be able to bring…

2
letters

Gaza Tunnels I remember first reading about the conflict in the Middle East in the early ’70s. I was a teenager, and my thoughts at the time were: How many people must be hurt and killed before this madness stops? After reading your powerful article, I was sick to my stomach thinking about a 12-year-old boy losing his sight. Who cares anymore who started this ridiculous war? It’s time to stop it, although I have no illusions that this will occur in my lifetime. It has been almost 40 years since I was first exposed to the “conflict in the Middle East.” Will there ever be room in Israel for both sides to live in peace? BEVERLY BOKOVITZ Medina, Ohio Israel and Egypt treat the Palestinians like insects. It is no surprise that they…

2
survival guide

Agustín Fuentes National Geographic Grantee EXPERTISE Primatologist LOCATION Borneo Orangutan to the Rescue this kind of getting lost doesn’t happen anymore; I would have a Gps with me now. But two decades ago at Camp Leakey, an orangutan research camp on Borneo inside Tanjung Puting, the rain forest was an unknowable place. I was trying to find the maroon leaf monkey. one day, after four hours of following marked trails, I thought I saw one. I risked it and went off the trail. forty-five minutes later, I was still wandering, no maroon leaf monkey in sight. I assumed the trail had to pick up somewhere near where I was, so I used my compass to make a guess. Another 30 minutes later, I wasn’t panicked, but I was definitely a little nervous. I had a headlamp, so I…

1
visions

United States An image of Wyoming’s Devils Tower monolith works as wordless signage for the Tower Stool Company of Faith, South Dakota. Local artist Norman Blue Arm painted the mural on the firm’s garage door. China Invisibility becomes art at a Beijing sawmill in an image from Liu Bolin’s “hiding in the City” series. For each photograph the artist sports painstakingly painted camouflage. Then assistants position his body so that he disappears from view. Finland A kitchen appears charged with energy— actually lines of LED light scribbled by the photographer during a 24-minute exposure. The supine figure on the floor moved away after a short time, leaving only her electric outline.…

1
visions | your shot

EDITORS’ CHOICE Eiko Jones Campbell River, British Columbia Jones was photographing water lilies from four feet under when he saw a “black cloud” in the corner of his eye. Countless tadpoles streamed by. “It went on for ages,” says the 41-year-old photographer. “It was like a huge flock of birds flying through a forest, but completely silent.” READERS’ CHOICE Zahoor Ahmed Bhalwal, Pakistan “I ’m deeply in love with birds,” says Ahmed, a wildlife photographer. He spent two months near a saltwater lake in Kallar Kahar to capture this shot of an Asian paradise flycatcher feeding its chick. Despite his fancy feathers, the male does the feeding and incubates eggs in the nest.…

1
next

Ozone, Interrupted “ The Montreal Protocol is working,” says chemist Mario Molina, who shared the Nobel Prize for his work on the effects of chlorofluorocarbons (CFCs). “CFCs are a global environmental problem that is being solved by society.” The international treaty, which opened for signature in 1987, created controls on the use of CFCs, gases used as coolants in refrigerators and to propel aerosols like hair spray out of cans. The problem was that CFCs spread out in the stratosphere, where they led to a hole in the ozone layer. When Molina started studying CFCs in the 1970s and discovered their role in ozone depletion, each U.S. household averaged 30 to 40 spray cans. Since the late ’90s, CFC production has all but stopped, making modern spray cans ozone safe. The ozone…