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2011年4月29日星期五

Technology Advances; Humans Supersize

For nearly three decades, the Nobel Prize-winning economist Robert W. Fogel and a small clutch of colleagues have assiduously researched what the size and shape of the human body say about economic and social changes throughout history, and vice versa. Their research has spawned not only a new branch of historical study but also a provocative theory that technology has sped human evolution in an unprecedented way during the past century.

Robert W. Fogel


Next month Cambridge University Press will publish the capstone of this inquiry, “The Changing Body: Health, Nutrition, and Human Development in the Western World Since 1700,” just a few weeks shy of Mr. Fogel’s 85th birthday. The book, which sums up the work of dozens of researchers on one of the most ambitious projects undertaken in economic history, is sure to renew debates over Mr. Fogel’s groundbreaking theories about what some regard as the most significant development in humanity’s long history.


Mr. Fogel and his co-authors, Roderick Floud, Bernard Harris and Sok Chul Hong, maintain that “in most if not quite all parts of the world, the size, shape and longevity of the human body have changed more substantially, and much more rapidly, during the past three centuries than over many previous millennia.” What’s more, they write, this alteration has come about within a time frame?that is “minutely short by the standards of Darwinian evolution.”


“The rate of technological and human physiological change in the 20th century has been remarkable,” Mr. Fogel said in an telephone interview from Chicago, where he is the director of the Center for Population Economics at the University of Chicago’s business school. “Beyond that, a synergy between the improved technology and physiology is more than the simple addition of the two.”


This “technophysio evolution,” powered by advances in food production and public health, has so outpaced traditional evolution, the authors argue, that people today stand apart not just from every other species, but from all previous generations of Homo sapiens as well.


?“I don’t know that there is a bigger story in human history than the improvements in health, which include height, weight, disability and longevity,” said Samuel H. Preston, one of the world’s leading demographers and a sociologist at the University of Pennsylvania. Without the 20th century’s improvements in nutrition, sanitation and medicine, only half of the current American population would be alive today, he said.


To take just a few examples, the average adult man in 1850 in America stood about 5 feet 7 inches and weighed about 146 pounds; someone born then was expected to live until about 45. In the 1980s the typical man in his early 30s was about 5 feet 10 inches tall, weighed about 174 pounds and was likely to pass his 75th birthday.


Across the Atlantic, at the time of the French Revolution, a 30-something Frenchman weighed about 110 pounds, compared with 170 pounds now. And in Norway an average 22-year-old man was about 5 ? inches taller at the end of the 20th century (5 feet 10.7 inches) than in the middle of the 18th century (5 feet 5.2 inches).


Mr. Fogel and his colleagues’ great achievement was to figure out a way to measure some of that gain in body size, Mr. Preston said. Much of the evidence — childhood growth, mortality, adult living standards, labor productivity, food and manufacturing output — was available, but no one had put it all together in this way before. Over the years Mr. Fogel and his colleagues have pored over a monumental amount of raw data to piece together the health records of thousands of people in different countries. When he won the Nobel in economics in 1993, the Swedish committee stated it was “for having renewed research in economic history by applying economic theory and quantitative methods in order to explain economic and institutional change.”


“The Changing Body” is full of statistical tables and graphs that include the heights of girls in Croatia and Germany; the caloric energy derived from potatoes, fish and wine; and the average annual allowance of grains and meat for widows in Middlesex County, Mass., from 1654 to 1799 — a testament to both the staggering accumulation of information and the collaborative nature of the enterprise.?


 

2011年4月27日星期三

Technology Advances; Humans Supersize

Next month Cambridge University Press will publish the capstone of this inquiry, “The Changing Body: Health, Nutrition, and Human Development in the Western World Since 1700,” just a few weeks shy of Mr. Fogel’s 85th birthday. The book, which sums up the work of dozens of researchers on one of the most ambitious projects undertaken in economic history, is sure to renew debates over Mr. Fogel’s groundbreaking theories about what some regard as the most significant development in humanity’s long history.


Mr. Fogel and his co-authors, Roderick Floud, Bernard Harris and Sok Chul Hong, maintain that “in most if not quite all parts of the world, the size, shape and longevity of the human body have changed more substantially, and much more rapidly, during the past three centuries than over many previous millennia.” What’s more, they write, this alteration has come about within a time frame?that is “minutely short by the standards of Darwinian evolution.”


“The rate of technological and human physiological change in the 20th century has been remarkable,” Mr. Fogel said in an telephone interview from Chicago, where he is the director of the Center for Population Economics at the University of Chicago’s business school. “Beyond that, a synergy between the improved technology and physiology is more than the simple addition of the two.”


This “technophysio evolution,” powered by advances in food production and public health, has so outpaced traditional evolution, the authors argue, that people today stand apart not just from every other species, but from all previous generations of Homo sapiens as well.


?“I don’t know that there is a bigger story in human history than the improvements in health, which include height, weight, disability and longevity,” said Samuel H. Preston, one of the world’s leading demographers and a sociologist at the University of Pennsylvania. Without the 20th century’s improvements in nutrition, sanitation and medicine, only half of the current American population would be alive today, he said.


To take just a few examples, the average adult man in 1850 in America stood about 5 feet 7 inches and weighed about 146 pounds; someone born then was expected to live until about 45. In the 1980s the typical man in his early 30s was about 5 feet 10 inches tall, weighed about 174 pounds and was likely to pass his 75th birthday.


Across the Atlantic, at the time of the French Revolution, a 30-something Frenchman weighed about 110 pounds, compared with 170 pounds now. And in Norway an average 22-year-old man was about 5 ? inches taller at the end of the 20th century (5 feet 10.7 inches) than in the middle of the 18th century (5 feet 5.2 inches).


Mr. Fogel and his colleagues’ great achievement was to figure out a way to measure some of that gain in body size, Mr. Preston said. Much of the evidence — childhood growth, mortality, adult living standards, labor productivity, food and manufacturing output — was available, but no one had put it all together in this way before. Over the years Mr. Fogel and his colleagues have pored over a monumental amount of raw data to piece together the health records of thousands of people in different countries. When he won the Nobel in economics in 1993, the Swedish committee stated it was “for having renewed research in economic history by applying economic theory and quantitative methods in order to explain economic and institutional change.”


“The Changing Body” is full of statistical tables and graphs that include the heights of girls in Croatia and Germany; the caloric energy derived from potatoes, fish and wine; and the average annual allowance of grains and meat for widows in Middlesex County, Mass., from 1654 to 1799 — a testament to both the staggering accumulation of information and the collaborative nature of the enterprise.?


 

Technology Advances; Humans Supersize

Next month Cambridge University Press will publish the capstone of this inquiry, “The Changing Body: Health, Nutrition, and Human Development in the Western World Since 1700,” just a few weeks shy of Mr. Fogel’s 85th birthday. The book, which sums up the work of dozens of researchers on one of the most ambitious projects undertaken in economic history, is sure to renew debates over Mr. Fogel’s groundbreaking theories about what some regard as the most significant development in humanity’s long history.


Mr. Fogel and his co-authors, Roderick Floud, Bernard Harris and Sok Chul Hong, maintain that “in most if not quite all parts of the world, the size, shape and longevity of the human body have changed more substantially, and much more rapidly, during the past three centuries than over many previous millennia.” What’s more, they write, this alteration has come about within a time frame?that is “minutely short by the standards of Darwinian evolution.”


“The rate of technological and human physiological change in the 20th century has been remarkable,” Mr. Fogel said in an telephone interview from Chicago, where he is the director of the Center for Population Economics at the University of Chicago’s business school. “Beyond that, a synergy between the improved technology and physiology is more than the simple addition of the two.”


This “technophysio evolution,” powered by advances in food production and public health, has so outpaced traditional evolution, the authors argue, that people today stand apart not just from every other species, but from all previous generations of Homo sapiens as well.


?“I don’t know that there is a bigger story in human history than the improvements in health, which include height, weight, disability and longevity,” said Samuel H. Preston, one of the world’s leading demographers and a sociologist at the University of Pennsylvania. Without the 20th century’s improvements in nutrition, sanitation and medicine, only half of the current American population would be alive today, he said.


To take just a few examples, the average adult man in 1850 in America stood about 5 feet 7 inches and weighed about 146 pounds; someone born then was expected to live until about 45. In the 1980s the typical man in his early 30s was about 5 feet 10 inches tall, weighed about 174 pounds and was likely to pass his 75th birthday.


Across the Atlantic, at the time of the French Revolution, a 30-something Frenchman weighed about 110 pounds, compared with 170 pounds now. And in Norway an average 22-year-old man was about 5 ? inches taller at the end of the 20th century (5 feet 10.7 inches) than in the middle of the 18th century (5 feet 5.2 inches).


Mr. Fogel and his colleagues’ great achievement was to figure out a way to measure some of that gain in body size, Mr. Preston said. Much of the evidence — childhood growth, mortality, adult living standards, labor productivity, food and manufacturing output — was available, but no one had put it all together in this way before. Over the years Mr. Fogel and his colleagues have pored over a monumental amount of raw data to piece together the health records of thousands of people in different countries. When he won the Nobel in economics in 1993, the Swedish committee stated it was “for having renewed research in economic history by applying economic theory and quantitative methods in order to explain economic and institutional change.”


“The Changing Body” is full of statistical tables and graphs that include the heights of girls in Croatia and Germany; the caloric energy derived from potatoes, fish and wine; and

2011年4月11日星期一

Engadget interviews Dwyane Wade: the technology behind the Fly Wade (video)

 By Sam Sheffer posted Apr 9th 2011 7:15PM It's not all that difficult to peer at some gadgets without fully understanding the wizardry and magic that assists in driving them from concept to reality. Did shoes ever cross your noggin as being technologically eye-opening? Sure, a few pairs of kicks have caught our attention over the years, but could a pair of sneakers be more than just that? To answer that question, we sat down with NBA star Dwyane Wade and Nike designer Mark smith to figure out what goes in to a modern pair of kicks. Read on to introduce your brain to the latest in shoe technology.
As some of you may have guessed, shoes don't create themselves, and the technological aspects of the process of building them is lengthy and somewhat complicated. The inspiration for the design of the Fly Wade comes from the Air Jordan 2010, a shoe that Nike decided to remodel and brand as Dwyane's signature sneaker. In total, each AJ 2010 weighs 15.5 ounces and Nike set itself a goal to build a stronger and better version while decreasing weight. The goal was a 10 percent drop, and each Fly Wade weighs 13 ounces -- that's lighter than a Galaxy Tab.

Design begins with analog sketches, along with using Adobe 3D and Shoemaker (a program created specially for Nike) to build 3D models of the shoe. The designs (which include cross section visuals, schematics, etc.) are then shipped off to Taiwanese factories where a very early prototype gets built according to Nike's specs. Afterward, this prototype is sent to Chinese factories where they'll produce a slew of sneakers for testing.


The shoe-testing process takes place at the Nike Sports Research Lab in Oregon, where a team of collegiate level basketball players and semiprofessionals play in the shoes for two hours, twice a week. Cushioning, traction, overall fit, breathability, underfoot comfort and heal slippage are factors that are judged and will be altered according the testers' feedback. Aside from the college ballers, a group of five athletes make their way to the lab's half-court facility for more rigorous tests. The floor is packed with sensors, providing precise and accurate feedback, and the athletes are filmed performing drills and playing scrimmages at 4,000 frames / second. These five players' sneakers have a built-in 99-point sensor grid that's linked up with a pressure map and will be viewed in conjunction with the high-speed footage.


And as for DWade himself? Because the shoe undergoes three or four major redesigns, he'll only see a new version of the sneaker every three months or so. Wade will play in the kicks during practice, giving the designers feedback and mention any needed adjustments. The entire process took some 13 months, and, in the end, Nike had its 13 ounce dream shoe. The shoes will be released in two color variants on May 5th and the remaining two will debut in June, though Wade will be rocking them in the playoffs later this month. For an interview with the man himself (as well as a glimpse into his mobile preferences), feast your eyes on the video below.


View the original article here

2011年4月8日星期五

US developing activist technology

 Protesters in Cairo using laptops Anti-government campaigners in Egypt use laptops to help their campaign to oust Hosni Mubarak The United States government is spending millions of dollars developing technology to help pro-democracy activists in the Middle East and China.


Washington has begun to open-up about the projects which include a "panic button" that lets protesters wipe their mobile phones if they are arrested.


State department official Michael Posner said that the US was investing money "like venture capitalists".


He also revealed that it was providing campaigners with technology training.


The US has budgeted $50m (£30m) since 2008 for its activist projects, which include developing systems to get round internet-blocking firewalls.


"We are working with a group of technology providers, giving small grants," said Mr Posner, who is assistant secretary of state for human rights and labour.


"We are looking for the most innovative people who are going to tailor their technology and their expertise to the particular community of people we're trying to protect."


Mr Posner described the challenge of keeping ahead of government controls in certain countries as "a sort of cat and mouse game".

Internet shutdown

In what has become an almost standard reaction to growing political dissent, Egypt, Libya, Yemen and Bahrain have all restricted access to the internet and, in some cases, temporarily shut it off.


Ironically, in some cases, US made technology has been used to help impose those restrictions, according to reports.


While private firms may take a more free market approach, the US government has been keen to leverage social networking to aid campaigners.


In 2009, it asked Twitter to postpone planned maintenance downtime so the site would remain available to Iranians who were protesting against the country's disputed election outcome.

Key-logging technology

Mr Posner also addressed the issue of government eavesdropping, citing the example of a Tunisian activist who had attended a US led training session.


His computer was found to contain key-logging software, designed to record and report everything typed on it.


Around 5,000 activists have received training, funded by the US government, said Mr Posner.


He insisted that the State Department was committed to pressing ahead with such programmes, but conceded that some of the technology could fall into the wrong hands.


He warned that putting tools for evading detection into the public domain might aid drug dealers or terrorists.


"The fact is that Al Qaeda probably has their own way of gathering some of these technologies," he said.


"The goal here is to protect people who are, in a peaceful manner, working for human rights and working to have a more open debate."


View the original article here

2011年4月7日星期四

What is Hot What is Not in Technology for 2011

Philosophies regarding social media networks, such as Twitter, can vary greatly. But similar to email, an unspoken etiquette has emerged for these social websites as well. The etiquette for these social sites does not consist of hard and fast rules, but is simply a list of guidelines for posting. The following is a set of Twitter etiquette guidelines, but can also be applied to other social networks...
Twitequette
To create an RSS feed in Bing, conduct a search, and at the end of the URL from the search results screen add the following text: &format=rss
The IBM Press Room lets you create custom RSS feeds that combine several categories. To create a custom feed, select categories below
RSS2Java source for easily adding RSS feeds to your website. The The service is free of charge. A JavaScript code will be generated and needs to be plugged into your website.
Information overload is less about having too much information and more about not having the right tools and techniques to filter and process information to find the pieces that are most relevant for you. This presentation will focus on showing you a variety of tips and techniques to get you started down the path of looking at RSS feeds in a completely different light.
Filtering RSS Feeds
Malatya is a new rss directory for blogs and RSS feeds.
New Feed Directory - FeedFairyFeedFairy.com is an easy to use and free RSS feed directory. Just submit your RSS feed and FeedFairy.com will publish and distribute it for free.
Pros and Cons for Web TemplatesSmall retail businesses who are making the move to an online presence may feel overwhelmed by the process of creating a website. Web templates can often help make the process less painful for a small business. To assist webmasters in the template vs custom design decision, we have outlined the pros and cons to each...
Pros and Cons for Web Templates
Podcasts offer a great way to learn and stay on top of just about any topic. In the classroom, students can listen to podcasts as a group and add their own comments and questions to the program. Make podcasts an integral part of your classroom experience with the help of this collection of podcasts.
80 Podcasts for the Classroom
How to Submit Podcasts to iTunes Music Store
Whenever you buy a brand new product right when it hits the market, the safety of that product is always a concern. That is particularly true when the product, like childrens toys or a new car, can have a direct impact on the health and safety of your own family. Rather than trying to constantly check for any recall announcements for every single product you’ve bought that could pose a safety concern if it malfunctions, it is much easier to just sign up for product recall RSS feeds and then just keep an eye out for any recall alerts that might affect you.
The 8 Best Sources For Product Recall RSS Updates
14 Tips to Make the Most of RSS FeedsAs a busy digital marketer, I live or die by feeds. Feeds keep me up to date and push my content, fast. And as a blogger, I similarly depend on feeds to keep me informed and spread influence.
To be successful you need to be more than simply informed -- you need to be a thought leader and agenda-setter rather than another voice in the echo chamber. But feeds are at a disadvantage on this front, as a headline that appears on a feed must have already been written about.
The goal then is to use feeds, as quickly as possible, to ensure that you're among the first writing about a topic.
14 Tips to Make the Most of Feeds
Diggs unpopular version 4 redesign last summer has put a big damper on the sites traffic, but the Digg team has come around and started to make changes that are helping to bring users back. The latest smart move: banning RSS feed submissions. No longer can every single post from a site be auto-submitted to Digg via RSS.
Digg Bans RSS Submissions
Splush enables editors to share with their audience, real-time updated content from partners, friends or favorites information sources. A dynamic blogroll and multimedia access make RSS Feeds accessible to all without any technical constraints.
Splush is also FeedAds : the first ads service of sponsored links 2.0 where traditional statistic links are replaced by more attractive ones updated in real time, with direct link to content and multimedia.
Looking for RSS Tools or Podcasting Tools?
The Internet has become a highly interactive medium. In order to participate in discussion forums and newsgroups, it is important to be familiar with standard and accepted Internet forum etiquette. Here are some tips to help make your forum participation more productive and beneficial...
1. Terms-Of-Service
Read the forum rules and terms-of-service before you begin posting. This way, you can avoid having your introduction to the forum being an accidental breaking of a rule or other misconduct.
Forum Etiquette
Dapper is a tool that enables users to create update feeds for their favorite sites and website owners to optimize and distribute their content in new ways.
Importance Of Good Headlines For Feed SubscribersContrary to what you may think, people who subscribe to your feed aren’t necessarily reading your articles. In most cases your posts will be competing with a large amount of content, some of which may be very similar to your own.
I do almost all of my reading through a feed reader and there is a habit I’ve picked up which I think is symptomatic of most feed subscribers. With so many new articles popping up in my feed reader every day I can not possibly read all of them to completion. I tend to prioritize by title, then skim a little, and if my curiosity is peaked, the article gets my full attention.
Increase RSS Subscribers
30 Simple Ways to Gain RSS SubscribersBefore creeping into the ways, you must also remember that your content must be really good as Content is the King. It is recommended to read the following few posts which will help you to shape your self in terms of contents and its promotions,
Increase RSS Subscribers
RSSMore is a free rss screensaver that lets you subscribe to any number of RSS/XML feeds and view them in your rss screen saver.
Digital Sound Effects is a new portal that contains thousands of sound effects. The Digital Sound Effects collection contains royalty free sound effects that can be used as introductions, extros or a background in any digital audio or video productions including podcasts. The Digital Sound Effects website contains a wide array of sound effects that range from realistic car crashes with screeching brakes to soothing nature sound effects.
Each sound effect is available as a download in a zip file. The zip file contains the sound effect in an MP3, Wav, and WMA format. All effects contained on digital-sound-effects.com are all royalty free which means they can be downloaded and used without the broadcaster having to pay royalties for the use of the sound effect. The broadcaster or publisher pays a single fee and are able to use effects in any capacity that they choose.The sound effects can be used on websites, podcast productions or in any other format.
Digital Sound Effects
Three Ways to Prevent People From UnsubscribingGetting traffic to your blog and turning your visitors into loyal readers requires a lot more than just writing new blog posts. What you must do is create an environment so people want to return, and if you can turn them into RSS subscribers, then you will be that much more powerful. Sometimes when we make our content pages we can easily look sight of the fact that we are not really making them for us, we are making them for our visitors and site readers. Ok, we want you to get some RSS subscribers because it can be very helpful to have them, and we would like for you to continue reading so you can find out some great approaches for doing that.
3 Ways to Stop People From Unsubscribing
Delightfulblogs is a human-reviewed blog directory where you can promote your blog to get more traffic.
Are you looking for a tool to automate the submission of RSS feeds? Checkout RSS Submit
Coming up with ideas for new blog posts on a regular basis can be a challenge, even for the most prolific writers. Experience shows that readers tend to favor certain types of posts more than others. Here are some popular types of blog posts that you might want to use for those times when inspiration simply does not strike.
Tips for Blog Posting
What is Hot What is Not in Technology for 2011What is Hot
1. Virtual Cloud
2. Mobile Apps
3. Virtual Technology
4. Connectivity
5. Scalability
What is Not
1. Privacy
2. Social Noise
3. Transparency
4. Regulation
5. Land Lines
Read more about What is Hot and What is Not in Technology for 2011
Motivational Quotes of the Day RSS
RSS and RSS Readers Alive and WellI agree:
A brush fire has been swirling through the blogosphere of late over whether RSS is dead, dying, or possibly severely injured and in need of assistance. It seems to have started with a post from UK-based web designer Kroc Camen that got picked up by Hacker News and re-tweeted a lot. The flames were fanned by a blog post from TechCrunch that drove RSS developer Dave Winer into a bit of a Twitter frenzy. But is RSS actually doomed, or even ailing? Not really. Like plenty of other technologies, it is just becoming part of the plumbing of the real-time web.

complete article
FeedStomper - Turn an overactive feed that clutters up your RSS reader into a regular, once-a-day summary feed.
rss2email is a small Python utility that sends out nicely formatted emails from RSS feed postings. Why would you want such a thing? Well, many people still use email as their primary communications tool and don’t want to be bothered with RSS. Also, if you are on the go and are using a mobile device, it is often easier to be buzzed by push email than it is to configure a mobile RSS reader.
Generate An Embeddable Widget From RSS Feeds using Feed Wind. You can easily keep in touch with a site through its RSS feed. But what if you want another sites updates to appear on your own blogs or websites?
Reminder: New years is a great time to prune your RSS feeds that have grown excessively long!
Best Way to Consume News in 2010We consumed a lot of news in 2010. But how did we consume it? On your tiny iPhone screen? Hopefully not. The best way to consume news this year was in a socially curated, real-time fashion with big pretty pictures and video.
Best Way to Consume News in 2010
Ten newsroom New Years resolutions for 2011It is time for our annual list of things your newsroom needs to do online. Some of these are repeats – and that’s because they’re still relevant to many newsrooms. There is no pie in the sky stuff here; just steps you should take that are relatively cheap and painless. Happy New Year from Lost Remote.
1. Build a mobile version of your site.
2. 2. Get an app version of your site.
3. Do a Skype video remote.
complete list of 10 Newsroom Resolutions
10 Useful RSS-Tricks and Hacks For WordPressLets take a look at 10 useful, yet rather unknown RSS-tricks for WordPress. Each section of the article presents a problem, suggests a solution and provides you with an explanation of the solution, so that you can not just solve some of your RSS-related problems but also understand what you are actually doing. Thus, you can make sure your WordPress theme remains under your control and is not bloated with some obscure source code.
10 Useful RSS-Tricks and Hacks For WordPress
Methods to Aquire RSS SubscribersRSS or Really Simple Syndication has become a primary way to gain new subscribers and grow your list. The best way to get a larger RSS subscription base is to follow the three tips below.
There are different kinds of tools you can use to encourage people to subscribe to your RSS feed. Here we are referring to the MyBlogLog Widget and how it can help you increase your subscribers. You would be surprised at the percentages of people who will respond favorably to a request to perform some kind of desired action. There are a number of reasons why they may have not including a lack of knowledge about how to do it, or what they need, etc.
Methods to Aquire RSS
- RSS Specification Feed created by FeedForAll
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