In Investigating the Environmental Origins of Autism Scientific American discusses whether environmental factors might be contributing factors involved in the soaring rates of autism. While the DSM diagnostic definition changes in 1994 obviously play a significant role in increasing the number of autism diagnoses it is far from accepted that they account for all or most of the incredible rise.
Scientific American Special Edition: New Light On The Solar System科学美国人特别版PDF | English | 3.8 MB- The Paradox of the Sun’s Hot Corona- Mercury: The Forgotten Planet- Global Climate Change on Venus- The Origins of Water on Earth- The Unearthly Landscapes of MarsScientific American is a popular-science magazine, published (first weekly and later monthly) since August 28, 1845, maki
Scientific American July 2008科学美国人 2008年 7月号PDF | English | 10.8 MBScientific American is a popular-science magazine, published (first weekly and later monthly) since August 28, 1845, making it the oldest continuously published magazine in the United States. It brings articles about new and innovative research to the amateur and lay audience.For working scientists, especially in hi
Scientific American June 2008科学美国人 2008年 6月号PDF | English | 11.8 MBScientific American is a popular-science magazine, published (first weekly and later monthly) since August 28, 1845, making it the oldest continuously published magazine in the United States. It brings articles about new and innovative research to the amateur and lay audience.For working scientists, especially in hi
* ÍndiceA edição especial traz cartas celestes, mapas de eventos, eclipses, conjunções e todos os fenômenos para os próximos 12 meses. Você conhecerá também como foram os primeiros dias da nave Cassini em Saturno, os mistérios por trás da explosão de uma estrela supernova e a nova geração de telescópios gigantesClearDown. Agora você já pode ser feliz.
Scientific American May 2008科学美国人 2008年 5月号PDF | English | 10.8 MBScientific American is a popular-science magazine, published (first weekly and later monthly) since August 28, 1845, making it the oldest continuously published magazine in the United States. It brings articles about new and innovative research to the amateur and lay audience.For working scientists, especially in high-tech fields, there are only a few crucial nonjournal periodicals to pore over faithfully, and Scientific American is one of them--its timely and technical features on everything from paleoarchaeology to neural nets set it apart from popular science magazines like Discover. Scientific American emphasizes a wide variety of emerging technologies, giving scientists a chance to keep up in an increasi
Scientific American, May 2008PDF English 8.4 MBThe Genesis of PlanetsTheorists long imagined that the formation of young solar systems was a serene process with a stately progression, in which the eventual appearance of planets was a foregone conclusion. The latest evidence, however -- including observations of worlds circling other stars -- argues that planet formation is startlingly chaotic.Regulating EvolutionMost animals share similar genes. The staggering diversity in their physical forms springs from switches in the DNA that govern where and when those genes are active.Science 2.0Is posting raw experimental data online, for all to see, a great tool or a great risk?How Cells Clean HouseAutophagy, a process that normally keeps cells in good working order, seems to be linked to aging
Scientific American April 2008科学美国人 2008年 4月号PDF | English | 8.8 MBScientific American is a popular-science magazine, published (first weekly and later monthly) since August 28, 1845, making it the oldest continuously published magazine in the United States. It brings articles about new and innovative research to the amateur and lay audience.For working scientists, especially in high-tech fields, there are only a few crucial nonjournal periodicals to pore over faithfully, and Scientific American is one of them--its timely and technical features on everything from paleoarchaeology to neural nets set it apart from popular science magazines like Discover. Scientific American emphasizes a wide variety of emerging technologies, giving scientists a chance to keep up in an increas
Scientific American October 2007PDF | 88 Pages | 11 MB Scientific American is a popular-science magazine, published (first weekly and later monthly) since August 28, 1845, making it the oldest continuously published magazine in the United States. It brings articles about new and innovative research to the amateur and lay audience.Scientific American (informally abbreviated to "SciAm") had a monthly circulation of roughly 555,000 US and 90,000 international as of December 2005.[1] It is a well-respected publication despite not being a peer-reviewed scientific journal, such as Nature; rather, it is a forum where scientific theories and discoveries are explained to a wider audience. In the past scientists interested in fields outside their own areas of expertise made up the magazine's target audience. Now, however, the publication is aimed at educated general readers who are interested in scientific issues. The magazine American Scientist covers similar ground but at a level more suita
Scientific American August 2007PDF | English | 6.6 MBScientific American is a popular-science magazine, published (first weekly and later monthly) since August 28, 1845, making it the oldest continuously published magazine in the United States. It brings articles about new and innovative research to the amateur and lay audience.Scientific American (informally abbreviated to "SciAm") had a monthly circulation of roughly 555,000 US and 90,000 international as of December 2005.[1] It is a well-respected publication despite not being a peer-reviewed scientific journal, such as Nature; rather, it is a forum where scientific theories and discoveries are explained to a wider audience. In the past scientists interested in fields outside their own areas of expertise made up the magazine's target audience. Now, however, the publication is aimed at educated general readers who are interested in scientific issues. The magazine American Scientist covers similar ground but at a level more suita
Scientific American July 2007PDF | English | 12 MBScientific American is a popular-science magazine, published (first weekly and later monthly) since August 28, 1845, making it the oldest continuously published magazine in the United States. It brings articles about new and innovative research to the amateur and lay audience.Download : Click here to download
Scientific American has been redesigned, and the complete July issue is available for download. It's a free download until June 30, so get it now! The only microbiology-related article deals with inflammation and its relation to cancer: A Malignant Flame, by Gary Stix. And a lot more of science reading is inside.(Did I mention it's free?)(Hey, free is good)
In the April 2007 Issue:
• The Dazzling Future of Plasmonics
• Storing Hydrogen Fuel
• Genetics of Alcoholism
• Raven Intelligence
• Curing Rabies
• Eye Movies: What the Retina Sees
• Cannibal Galaxies: Tearing Apart the Neighbors
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Scientific American is a popular-science magazine, published (first weekly and later monthly) since August 28, 1845, making it the oldest continuously published magazine in the United States. It brings articles about new and innovative research to the amateur and lay audience. Scientific American (informally abbreviated to "SciAm") roughly has a monthly circulation of 555,000 US and 90,000
