科学美国人 Scientific American 2005年1-2月 PDF 已更新

资源信息：

中文名: 科学美国人
原名: Scientific American
别名: 科学美国人
版本: 2005年1-2月 PDF(已更新)
发行时间: 2005年02月
地区: 美国
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概述:

《Scientific American》是美国发行的知名科学类刊物。作为全球著名的与《Nature》齐名的高级科普杂志，始创于1845年。在其后这近160年的发展过程中，《Scientific American》的文章多出自世界著名科学家之手，内容涉及所有当前重大科学主题。至今已有120多位诺贝尔奖得主在上面发表过文章。
《Scientific American》杂志科学与人文精神并举、强调科学对人类社会和经济生活影响、密切关注科学敏感问题对人类伦理、恐怖主义、战争和人类未来的争论，使不同科学观点发表意见的平台。
本人为ADSL，所以上传较慢，请各位见谅

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2005年第二期简介
DESCRIPTION :
* The Littlest Human–Giant questions surround a child-size species from just 13,000 years ago
* How Ulcer Germs Can Be Good for You
* Nanotube Fabric for Microelectronics
* Hardwiring Memories into Your Brain
* Smarter Search Engines
* Quantum Clouds and Atom Chips
* The Year’s Best Inventions by U.S. Students
CONTENTS :
INFORMATION TECHNOLOGY
Better Displays with Organic Films
By Webster E. Howard
Light-emitting organic materials can make electronic displays
SPECIAL REPORT
Four Keys to Cosmology
By George Musser
The big bang theory works better than ever. If only cosmologists could figure out that mysterious acceleration….
SPECIAL REPORT: COSMOLOGY
The Cosmic Symphony
By Wayne Hu and Martin White
Sound waves powerfully shaped the early universe
BIOTECHNOLOGY
Insights into Shock
By Donald W. Landry and Juan A. Oliver
Still a last step before death for thousands of people, shock is shedding some of its medical mystery and becoming more treatable
SPECIAL REPORT: COSMOLOGY
Out of the Darkness
By Georgi Dvali
A leakage of gravity might cause cosmic acceleration
SPECIAL REPORT: COSMOLOGY
Reading the Blueprints of Creation
By Michael A. Strauss
New surveys highlight extraordinary cosmic structures
CRIMINOLOGY
The Case of the Unsolved Crime Decline
By Richard Rosenfeld
Crime rates in the U.S. plummeted in the 1990s. None of the common theories fully explains why, however
SPECIAL REPORT: COSMOLOGY
From Slowdown to Speedup
By Adam G. Riess and Michael S. Turner
Supernovae reveal when the expansion of the universe sped up
2005年第一期简介
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PSYCHOLOGY
Exploding the Self-Esteem Myth
By Roy F. Baumeister, Jennifer D. Campbell, Joachim I. Krueger and Kathleen D. Vohs
Boosting students’ self-esteem has become a national preoccupation–but it does little to improve grades or discourage bad behavior
INNOVATION
Best-Kept Secrets
By Gary Stix
Quantum cryptography, long touted as a theoretical fix for data security problems, finally takes shape in commercial products.
ASTROPHYSICS
The Midlife Crisis of the Cosmos
By Amy J. Barger
Although it is not as active as it used to be, the universe is still forming stars and building black holes at an impressive pace
INFORMATION SCIENCE
Considerate Computing
By W. Wayt Gibbs
Feeling overloaded by intrusive digital technology? New attentive interfaces for computers, phones and cars will understand your priorities
LIFE SCIENCES
Immunity’s Early-Warning System
By Luke A. J. O’Neill
The body’s first line of defense against invading microbes may be the key to better ways of battling infections and inflammatory disease
SCIENCE IN PICTURES
Eye of the Beholder
By Emily Harrison
Gorgeous entries in the Nikon Small World photomicroscopy competition reveal minute biological beauties that elude unaided vision
BIOTECHNOLOGY
Capturing a Killer Flu Virus
By Jeffery K. Taubenberger, Ann H. Reid and Thomas G. Fanning
Researchers have resurrected the deadliest flu in history to learn why it killed millions and how to prevent the next pandemic
departments
INSIGHTS
You, Robot
REVIEWS
How Are the Mighty Fallen?
The Editors Recommend
50, 100 AND 150 YEARS AGO
Personality Clash — War Worries — Heavenly Revolutions
LETTERS TO THE EDITORS
Letters
SA PERSPECTIVES
Worth a Pound of Cure
WORKING KNOWLEDGE
Open Sesame
columns
ANTIGRAVITY
Captive Audience
SKEPTIC
Quantum Quackery
NEWS SCAN
Polio Postponed
Politics slow polio’s eradication–and cause it to spread
A Bad Fix for Hubble?
Robotic repair may be riskier than first thought
Snaking Its Way In
Feared snakehead fish sets up house in the U.S.
Sound Findings
Sonar offers a way to count salmon accurately
Through Titan’s Haze
Saturn moon has a surface that is dynamic–and puzzling
A Glimpse of Supersolid
Solid helium can behave like a superfluid
By the Numbers: Nurses in Short Supply
The profession is heading toward its biggest crisis
News Scan Briefs

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