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allbookedup

15 Tricks to Get Your Adult Learners Talking - 113 views

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    teaching tips, worksheets, english teachers
alexis alexander

15 Free Tools for Web-based Collaboration - 271 views

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    really great resource for collaborative work in and out of the classroom
Florence Dujardin

Cyberkids or divided generations? Characterising young people's internet use in the UK ... - 0 views

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    Young people are often characterised as cyberkids in reference to an assumed intense engagement and natural affinity with the internet. This article critiques the empirical basis for such claims and explores two alternative perspectives: namely, continua of use and typologies of use. Using UK data on 12-15 year old home internet users, a series of descriptive and latent class analyses of young people's internet use is presented. Results show there is little support for cyberkid characterisations and a proposed continuum of use is also shown to not fit the data. A three-way typology of use is instead presented which suggests a third of young home internet users make only limited use of the internet and the remaining two-thirds diverge into informational and creational/communicative users. These findings are used to argue that Mannheim's notion of generational units may be a useful way to characterise young people's internet use.
Martin Burrett

Animal Tribe - 63 views

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    An easy to use site aimed at young children and shows information and images of 15 different animals. http://ictmagic.wikispaces.com/Science
Randolph Hollingsworth

The Personal Is Political on Social Media: Online Civic Expression Patterns and Pathway... - 11 views

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    by Emily C. Weinstein, Harvard University International Journal of Communication 8 (2014), 210-233. Social media have dramatically altered the communication landscape, offering novel contexts for individual expression. But how do youth who are civically engaged off-­line manage opportunities for civic expression on social media? Interviews with 70 U.S.-­based civic youth aged 15 to 25 revealed three main patterns characterizing the relationship between off-­line participation and online expression: blended, bounded, and differentiated. Five sets of empirically derived considerations influencing expression patterns emerged: organizational policies, personal image and privacy, perceived alignment with civic goals, attitudes toward the platform(s), and perceptions of their audience(s). Most civic youth express the civic online, yet a minority highlight tensions that lead them to refrain from sharing in certain or all online context.
egreene07

Twitter In 15 Minutes - Presentation Software That's Simple, Beautiful, and Fun | Haiku... - 5 views

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    Haiku Deck about getting started with Twitter
Roy Sovis

G-learning: 7 ways of using Google Drive with a classroom PC and projector - 134 views

  • 7 ways of using Google Drive with a classroom PC and projector
  • Electronic whiteboard Just open a new document or presentation and type along. Sometimes I create a file for a specific class and continue to use it in all subsequent  lessons as well. There is no need  save the files and you can access them from home for reference when creating a test or revision sheet.
Judy Robison

Guest Post - Implementing the First 5 Days | November Learning - 17 views

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    a blog post detailing a 15 + min. exercise to see if students recognized the value of Google Translate, and were they aware of its advantages and disadvantages."
Stacy Olson

Free Technology for Teachers: Presentation Tube - Record and Share Presentations - 99 views

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    Presentation Tube is a service that teachers and students can use to record, share, and watch presentations. Presentation Tube provides a free desktop tool (Windows only) that you can use to record a video of yourself talking over and drawing on slides. The Presentation Tube recorder automatically synchronizes your PowerPoint slides with your voice. The free recording tool allows you to record for up to 15 minutes. Your completed recording can be uploaded directly to Presentation Tube. 
Kenuvis Romero

Psilocybin (magic mushrooms) - 0 views

  • The biosinthetic path that allow Psilocybin to be produced by mushrooms is as follow:
  • The several analogyes with triptophan aminoacid, with whom psilocybin has common origines are probably at the base of psilocybin ability to induced psychedelich alteration on humans.
  • Amino acids, including tryptophan, act as building blocks in protein biosynthesis. In addition, tryptophan functions as a biochemical precursor for many compounds like serotonin Serotonin (a neurotransmitter), synthesized via tryptophan hydroxylase. Serotonin, in turn, can be converted to melatonin (a neurohormone), via N-acetyltransferase and 5-hydroxyindole-O-methyltransferase activities
  • ...15 more annotations...
  • it's been noticed that psilocyn can indirectly raise dopamine concentration withing the basal ganglia.
  • Almost 50% of oral psilocybin is absorbed by stomach and gut; from here is lead to liver, where it's converted in psilocin, pharmacologically active form, that can furtherly be glucoronated and escreted with urine or converted in other psilocinics metabolites.
  • In rats, the median lethal dose (LD50) when administered orally is 280 milligrams per kilogram (mg/kg), approximately one and a half times that of caffeine. When administered intravenously in rabbits, psilocybin's LD50 is approximately 12.5 mg/kg
  • traces of the compund can be detected in unine even after 7 days.
  • Clinical studies show that psilocin concentrations in the plasma of adults average about 8 µg/liter within 2 hours after ingestion of a single 15 mg oral psilocybin dose; psychological effects occur with a blood plasma concentration of 4–6 µg/liter. Psilocybin is about 100 times less potent than LSD on a weight per weight basis, and the physiological effects last about half as long.
  • Within 24 hours from administration 65% of the alucinogen is escreted by urine, while another 15-20% is excreted by bile and feces.
  • Monoamine oxidase inhibitors (MAOI) have been known to prolong and enhance the effects of psilocybin. Alcohol consumption may enhance the effects of psilocybin, because acetaldehyde, one of the primary breakdown metabolites of consumed alcohol, reacts with biogenic amines present in the body to produce MAOIs related to tetrahydroisoquinoline and β-carboline. Tobacco smokers can also experience more powerful effects with psilocybin, because tobacco smoke exposure decreases levels of MAO in the brain and peripheral organs.
  • This could lead to a lower usage o f glucose, but the same study admitted an increase glucose usage by the whole brain cell, meaning a differente use of this sugar while the drug is having effects.
  • use of MRI (functional magnetic resounance) showed that the decresed blood flow associate with decreasing in neural activity. A simple explanation for this unexpected situation could be the serotoning agonist action of psilocybin, action that seems to be focused more on 5-HT receptors than on 5-HT2A.
  • psilocibyn is able to act as a 5-HT agonist binding directly its receptors.
  • augmented glucose consumption in several brain regions; this lead to the conclusion that psilocybin is some way able to modify the physiological glucosal metabolic rate of our body
  • The strong inibition of the PCC is now thought to be most significant action of psilocybin on neural disaccoppiation
    • Kenuvis Romero
       
      Lower brain glucose metabolism is linked with increased capacity for working memory.
  • Psilocybin comprises approximately 1% of the weight of Psilocybe cubensis mushrooms, and so nearly 1.7 kilograms (3.7 lb) of dried mushrooms, or 17 kilograms (37 lb) of fresh mushrooms, would be required for a 60-kilogram (130 lb) person to reach the 280 mg/kg LD50 value.
  • psilocybin can cause anxiety and increased heart rate and BP which is very counter- productive for someone on metoprolol and micardis.
  • propose the possibility to use psilocybin as a palliative therapy for terminal illness like cancer but also as a real antidepressive active principle available for the family of the patient. The rational is foundable in the fact that we usually administer SSRI as antidepressive agents, so psilocibyn sholud be useful in this purpose for its selective agonist action on 5-HT2A receptors
Luke Watkinson

Science-class.net - Science Resources for the Middle Grades - 22 views

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    15/07/2012 - A well-resourced and comprehensive site, suitable for some of the science taught at upper key stage 2 and beyond (8-11+).
Doug Henry

15 Awesome iPhone-controlled Robots - 42 views

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    Videos showing several kinds of robots, including Lego Mindstorms, controlled by smart phones.
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