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Jeff Johnson

When glaciers disappear, the bugs move in (ENN) - 0 views

www.enn.com/...38030

change climate glaciers global_warming

shared by Jeff Johnson on 28 Aug 08 - Cached
  • Jeff Johnson on 28 Aug 08
     
    We've all been stunned by images showing the dramatic retreat of mountain glaciers. Yet few of us have given much thought to what happens next. Now the first study to look at how life invades soil immediately after mountain glaciers melt has an answer. Primitive bacteria step in to colonise the area, enrich the soil with nutrients, and even cement the ground, preventing landslides, say researchers who have studied the process in the Peruvian Andes.
Lucy Gray

Technology in Schools Faces Questions on Value - NYTimes.com - 4 views

www.nytimes.com/...-faces-questions-on-value.html

technology schools change critique measurement effectiveness integration

shared by Lucy Gray on 04 Sep 11 - No Cached
  • When it comes to showing results, he said, “We better put up or shut up.”
  • Critics counter that, absent clear proof, schools are being motivated by a blind faith in technology and an overemphasis on digital skills — like using PowerPoint and multimedia tools — at the expense of math, reading and writing fundamentals. They say the technology advocates have it backward when they press to upgrade first and ask questions later.
  • how the district was innovating.
  • ...24 more annotations...
  • “We’ve jumped on bandwagons for different eras without knowing fully what we’re doing. This might just be the new bandwagon,” he said. “I hope not.”
  • there is no good way to quantify those achievements — putting them in a tough spot with voters deciding whether to bankroll this approach again
  • district was innovating
  • “Test scores are the same, but look at all the other things students are doing: learning to use the Internet to research, learning to organize their work, learning to use professional writing tools, learning to collaborate with others.”
  • If we know something works
  • it is hard to separate the effect of the laptops from the effect of the teacher training
  • The high-level analyses that sum up these various studies, not surprisingly, give researchers pause about whether big investments in technology make sense.
  • Good teachers, he said, can make good use of computers, while bad teachers won’t, and they and their students could wind up becoming distracted by the technology.
  • “It’s not the stuff that counts — it’s what you do with it that matters.”
  • creating an impetus to rethink education entirely
    • Steve Ransom
      Steve Ransom on 04 Sep 11
       
      Like teaching powerpoint is "rethinking education". Right.
  • “There is a connection between the physical hand on the paper and the words on the page,” she said. “It’s intimate.”
  • “They’re inundated with 24/7 media, so they expect it,”
  • The 30 students in the classroom held wireless clickers into which they punched their answers. Seconds later, a pie chart appeared on the screen: 23 percent answered “True,” 70 percent “False,” and 6 percent didn’t know.
  • rofessor Cuban at Stanford argues that keeping children engaged requires an environment of constant novelty, which cannot be sustained.
  • engagement is a “fluffy
  • term” that can slide past critical analysis.
  • that computers can distract and not instruct.
  • guide on the side.
  • Professor Cuban at Stanford
  • But she loves the fact that her two children, a fourth-grader and first-grader, are learning technology, including PowerPoint
  • $46.3 million for laptops, classroom projectors, networking gear and other technology for teachers and administrators.
  • Mr. Share bases his buying decisions on two main factors: what his teachers tell him they need, and his experience. For instance, he said he resisted getting the interactive whiteboards sold as Smart Boards until, one day in 2008, he saw a teacher trying to mimic the product with a jury-rigged projector setup. “It was an ‘Aha!’ moment,” he said, leading him to buy Smart Boards, made by a company called Smart Technologies.
  • This is big business.
  • “Do we really need technology to learn?” she said. “It’s a very valid time to ask the question, right before this goes on the ballot.”
Lucy Gray

Imagination Foundation - 2 views

www.imagination.is

shared by Lucy Gray on 19 Sep 12 - No Cached
  • Lucy Gray on 19 Sep 12
     
    The Imagination Foundation is launching the first ever Global Cardboard Challenge, inviting the world to play while raising funds to foster creativity and entrepreneurship in kids.   September will be the month to organize and build, then on October 6th (the one-year anniversary of the flashmob that came out to make Caine's day) friends, family, co-workers and community members can come out to play at local events, celebrating the creativity and imagination of kids around the world.
Lucy Gray

Learn about CC during Open Education Week - Creative Commons - 6 views

creativecommons.org/...31636

creative commons Open Education Week 2012 learning teaching

shared by Lucy Gray on 02 Mar 12 - No Cached
  • Tero Toivanen on 02 Mar 12
     
    As most of you are undoubtedly aware, next week, 5-10 March, is the First Annual Open Education Week - a time set aside each year to celebrate and raise awareness about open education and open educational resources (OER).
Jeff Johnson

Carbon Counter - Fight Climate Change - 0 views

www.carboncounter.org

carbon footprint climate co2 global warming

shared by Jeff Johnson on 18 May 08 - Cached
  • Every time we drive, fly, run appliances at home and keep our houses lighted, warm and cool, we emit carbon dioxide, trapping heat in the atmosphere. Be part of the solution and offset your emissions! Your tax deductible donation contributes to the development of new technologies and alternative energy that reduce carbon dioxide emissions. Take the first step, and calculate your carbon footprint.
Jeff Johnson

Intercultural E-mail Classroom Connections - 0 views

www.iecc.org/AboutIECC.cfm

collaboration intercultural sharing students teachers

shared by Jeff Johnson on 04 May 08 - Cached
  • IECC is dedicated to helping teachers connect with other teachers to arrange intercultural email connections between their students. A new service, IECC-INTERGEN, helps teachers and their classrooms create intergenerational partnerships with volunteers who are over 50 years of age. Created in 1992 by three professors from St. Olaf College in Minnesota, IECC was one of the first services on the Web to facilitate international pen-pal exchanges between teachers and classrooms around the globe
Lucy Gray

Open GEC Advisory Board Meeting - 36 views

On Saturday, April 5th CST, we're hosting our first board meeting of the Global Education Collaborative. It's open to anyone with an interest in global education. We will be using a tool called Fla...

started by Lucy Gray on 04 Apr 08 no follow-up yet
Lucy Gray

Bilingual babies' vocabulary linked to early brain differentiation - 3 views

www.sciencedaily.com/...110829070559.htm

education bilingual babies vocabulary brain

shared by Lucy Gray on 04 Sep 11 - No Cached
  • Kuhl's previous studies show that between 8 and 10 months of age, monolingual babies become increasingly able to distinguish speech sounds of their native language, while at the same time their ability to distinguish sounds from a foreign language declines.
  • almost nothing is known about how bilingual babies do this for two languages. Knowing how experience sculpts the brain will tell us something that goes way beyond language development.
  • the bilingual brain remains flexible to languages for a longer period of time, possibly because bilingual infants are exposed to a greater variety of speech sounds at home.
  • ...4 more annotations...
  • This difference in development suggests that the bilingual babies "may have a different timetable for neurally committing to a language" compared with monolingual babies
  • "When the brain is exposed to two languages rather than only one, the most adaptive response is to stay open longer before showing the perceptual narrowing that monolingual infants typically show at the end of the first year of life," Garcia-Sierra said.
  • the size of the bilingual children's vocabulary was associated with the strength of their brain responses in discriminating languages at 10-12 months of age.
  • The researchers say the best way for children to learn a second language is through social interactions and daily exposure to the language.
Tero Toivanen

Ben Ramsey » Blog Archive » Web 1.0, 2.0, and 3.0 Defined - 0 views

benramsey.com/...web-10-20-and-30-defined

cloud copyright culture ownership saas Web1.0 Web2.0 Web3.0

shared by Tero Toivanen on 10 May 09 - Cached
  • Web 1.0 represents the first decade of the Web (1990-1999), which is characterized primarily by a read-only Web.
  • Web 2.0 represents the second decade of the Web (2000-2009)
  • This is often called the era of the read-write Web
  • ...4 more annotations...
  • this era is also characterized by a counter-cultural shift in views regarding ownership of data and privacy
  • Web 3.0 represents the next decade of the Web (2010-2019)
  • read-write-execute Web
  • As more and more people become accustomed to storing their data in the Cloud and sharing it with others, our cultural concepts of ownership and privacy will dramatically shift.
  • Tero Toivanen on 10 May 09
     
    This is quite near to how I see Web 1.0, 2.0 and 3.0.
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