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Mark Gleeson

Build a Body - 177 views

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    Interactive flash site that allows you to build a body organ by organ
Martin Burrett

Risk it for a biscuit…by @MaximJKelly - 4 views

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    "It was October and I was standing on the roof of a high rise building in the middle of Shanghai. Flight after flight of stairs interspersed with several elevator journeys had brought me to the summit, and the rooftop on which I now stood served as a primary school playground for hundreds of pupils. As I made my way to the edge of the building I was amazed to find that the only barrier between me and the pavement - 16 stories down - was a small wall, waist height at most. I peered over the edge and can still recall that instant feeling of danger and dizziness washing over my entire body. I stepped back and turned to the Chinese headteacher whose school I was visiting."
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
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  • 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
Matt Renwick

Educational Leadership:Faces of Poverty:Boosting Achievement by Pursuing Diversity - 19 views

    • Matt Renwick
       
      This is a critical point. Allowing middle class families to pick and choose where there kids should go without valid reasons (i.e. work) can hurt high poverty schools.
    • Matt Renwick
       
      Have we?
  • Residential poverty tends to be concentrated, and successful school integration requires either a district with enough socioeconomic diversity within its boundaries or a group of neighboring districts which, when combined, have enough diversity to facilitate an interdistrict integration plan.
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  • A weighted lottery is the simplest way for schools to ensure that they enroll a diverse student body while still relying on choice-based enrollment.
    • Matt Renwick
       
      A possible solution?
  • ndividual success stories and a review of research suggest that it is possible, by offering all students a single challenging curriculum, to reduce the achievement gap without harming the highest achievers (Burris, Wiley, Welner, & Murphy, 2008; Rui, 2009).
  • In the middle grades, students at City Neighbors start their day with half an hour of highly specialized, small-group instruction called intensive. Intensive provides an opportunity for extra support or enrichment in different subjects, allowing teachers to meet different students' needs while still teaching most of the academic time in mixed-ability classrooms.
    • Matt Renwick
       
      Sounds like an intervention block, something many buildings have or are looking at.
  • small but growing number of schools are attempting to boost the achievement of low-income students by shifting enrollment to place more low-income students in mixed-income schools. Socioeconomic integration is an effective way to tap into the academic benefits of having high-achieving peers, an engaged community of parents, and high-quality teachers.
  • A 2010 meta-analysis found that students of all socioeconomic statuses, races, ethnicities, and grade levels were likely to have higher mathematics performance if they attended socioeconomically and racially integrated schools (Mickelson & Bottia, 2010).
  • Research supporting socioeconomic integration goes back to the famous Coleman Report, which found that the strongest school-related predictor of student achievement was the socioeconomic composition of the student body (Coleman et al., 1966).
  • nd results of the 2011 National Assessment of Educational Progress in mathematics show steady increases in low-income 4th graders' average scores as the percentage of poor students in their school decreases (U.S. Department of Education, 2011).
  • a number of studies have found that the relationship between student outcomes and the socioeconomic composition of schools is strong even after controlling for some of these factors, using more nuanced measures of socioeconomic status, or comparing outcomes for students randomly assigned to schools (Reid, 2012; Schwartz, 2012).
  • Rumberger and Palardy (2005) found that the socioeconomic composition of the school was as strong a predictor of student outcomes as students' own socioeconomic status.
  • Socioeconomic integration is a win-win situation: Low-income students' performance rises; all students receive the cognitive benefits of a diverse learning environment (Antonio et al., 2004; Phillips, Rodosky, Muñoz, & Larsen, 2009); and middle-class students' performance seems to be unaffected up to a certain level of integration.
  • A recent meta-analysis found "growing but still inconclusive evidence" that the achievement of more advantaged students was not harmed by desegregation policies (Harris, 2008, p. 563).
  • he findings suggested that, more than a precise threshold, what mattered in these schools was maintaining a critical mass of middle-class families, which promoted a culture of high expectations, safety, and community support.
  • istricts have chosen to let school boundaries reflect or even amplify residential segregation.
meghankelly492

Culture of East Africa | USA Today - 1 views

  • Up until the 15th century, the cultures of Eastern Africa lived in relative isolation, building up kingdoms and empires, spreading agriculture and civilization throughout the region.
  • n the 15th century, the Portuguese began exploring the coast of East Africa, seeking to seize control of the spice trade from the Muslim presence in the Middle East. Islamic resistance to this led to a large-scale Arab colonization of the coast, which lasted until European colonialism began in earnest in the 19th century.
  • There are hundreds of languages spoken throughout East Africa, ranging from those spoken by only a few thousand to those spoken by millions. The most widely-spoken language, by far, is Swahili, with more than 5 million native speakers, and millions more who speak it as a secondary trade language. The island nations of East Africa, such as Madagascar, do not speak Swahili, instead speaking their own native languages, such as Malagasy.
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  • Clothes are brightly colored and consist of simple wraps, covering either only the lower body or both the lower body and upper body. In Islamic regions, covering is more substantial, and daily wear includes a head wrap
  • The legacy of Islamic rule along the coast of East Africa remains strong, and the majority of those on the coast and in North-East Africa are practicing Muslims
  • East African music consists of simpler instrumentation than Central Africa or West Africa, with a heavy reliance on percussion and basic horns, and less in the way of complex bowing. Since the 1980s East Africa has produced a great deal of fusion music, incorporating elements from Western music to create mash-ups of traditional and modern. Many countries in North-East Africa draw on Arabic influence in their music as well, incorporating elements such as religious poetry into the songs.
Marti Pike

RTI Talks | RTI for Gifted Students - 9 views

shared by Marti Pike on 02 Aug 17 - No Cached
  • learning contracts with the student focused on work that takes the students interests in to account may be helpful.
    • Marti Pike
       
      Genius Hour
  • "Up from Underachievement" by Diane Heacox
  • Gifted learners are rarely "globally gifted
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  • From a parent's perspective (and sometimes from the child's), this can seem like we are "de-gifted" the child.
  • The most important thing is that you have the "data" that shows what the student needs and that you are matching this with an appropriate service.
  • Be very explicit with what the differentiation is and how it is addressing the needs
  • A major shift with RTI is that there is less emphasis on the "label" and more on the provision of appropriate service.
  • When a child has met all the expected benchmarks
  • independent reading
  • reading log
  • small group for discussions using similar questions.
  • long-term solutions might include forming a seminar group using a
  • program like "Junior Great Books."
  • Ideas for differentiating reading for young children can also be found at: http://www.k8accesscenter.org/training_resources/readingdifferentiation.asp http://www.appomattox.k12.va.us/acps/attachments/6_6_12_dan_mulligan_handout.pdf
  • enrich potential
  • to plan appropriate instruction, based on data that show the learners' needs.
  • additional enrichment and challenge in their area(s) strength.
  • Tiers 2 or 3
  • As the intensity of the needs increase, the intensity of the services also increases.
  • our ability to nurture potential in students prior to formal identification
  • appropriately scaffolded activities through Tier 2 support.
  • , with high-end differentiation and expectations, we are able to support the development of potential in all students.
  • This body-of-evidence can be used to support the nomination process and formal identification when appropriate.
  • likely to be of particular benefit for culturally and linguistically diverse, economically disadvantaged, and twice exceptional youngsters who are currently underrepresented within gifted education.
  • Tier 1 include:
  • Tier 2 include:
  • Tier 3 include:
  • universal screening
  • Aspergers
  • gifted children with learning disabilities?
  • If we provide enrichment activities for our advanced students, won't that just increase the acheivement gap?
    • Marti Pike
       
      Grrrrrrrrr
  • Educational opportunities are not a “zero sum” game where some students gain and others lose.
  • the needs of all learners.
  • One is focusing on remediation, however the second approach focuses on the nurturing of potential through creating expectations for excellence that permeate Tier 1 with extended opportunities for enrichment for all children who need them at Tier 2. With the focus on excellence, the rising tide will help all students reach their potential. This is the goal of education.
  • make sure that the screener is directly related to the curriculum that you are using and that it has a high enough ceiling to allow advance learners to show what they know.
  • recognizing that students who are above grade level, or advanced in their academics, also need support to thrive
  • all students deserve to attend a school where their learning needs are met
  • seek out ways to build the knowledge and skills of teachers to address the range of needs
  • This includes learning about differentiated instruction within Tier 1and creating additional opportunities for enhancements and enrichments within Tier 2.
  • first
  • This often means that the district views the school as a “high-needs” school and does feel that many children would qualify for gifted education services (thus no teacher allocation is warranted). If this is the case, then this is a problematic view as it perpetuates the myth that some groups of children are not likely to be “gifted”.
  • These five differentiation strategies are as follows: Curriculum Compacting (pre-assessment of learners to see what they know)  The use of Tiered Assignments that address: Mastery, Enrichment, and Challenge  Tiered Learning Centers that allow children to further explore skills and concepts  Independent and Small group learning contracts that allow students to follow area of interest  Questioning for Higher Level thinking to stretch the minds of each child.
  • RTI was,
  • first proposed as a way to help us better identify students who continue to need additional support in spite of having appropriate instructional opportunities to learn.
  • The primary issue is the need for measures of potential as well as performance.
  • an IQ measure
  • portfolio
  • that sometimes occur outside of school
  • children with complex sets of strengths and needs require a comprehensive evaluation that includes multiple types, sources, and time periods to create the most accurate and complete understanding of their educational needs.
  • a "diamond" shaped RTI model
  • confusing
  • use the same icon to represent how we address the increasing intensity of academic and behavioral needs for all learners.
  • English Language Learners?
  • Differentiated instruction is part of a strength-based approach to Tier 1, providing enriched and challenging learning opportunities for all students. However, a comprehensive RTI approach for gifted learners will also need strong Tier 2 and 3 supports and services.
  • Tracking, or the fixed stratification of children into learning levels based on limited data (placing children in fixed learning groups based on a single reading score), is the opposite of RTI.
  • off grade level trajectories
  • this may includ
  • assess the slope and speed of learning and plot the target from there.
  • content acceleration and content enrichment.
  • independent or small group project of their choice.
  • renzullilearning.com.
  • additional learning opportunities that both challenge the learner and address high interest learning topics.
Sirkku Nikamaa-Linder

CBI: Change is possible - but we must be clearer about what we ask schools to develop i... - 1 views

    • Sirkku Nikamaa-Linder
       
      Question: What are the goals set out on the political level? What does Gove want to achieve?
  • lacks
  • guardrails
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  • which makes transformational change
  • ifficult
  • In Finland, the goals of education are explicitly linked to competitiveness, research and innovation.
  • nowhere in the UK do they really drive the terms under which schools are assessed.
  • In England, the government has defined its approach as being based on curriculum rigour.
  • This lack of a comprehensive statement of the achievement we are looking for schools to deliver is a key failing.
  • best schools
  • areas of high disadvantage
  • define the outcome they need
  • in the face of the complex and inconsistent demands the system places on them.
    • Sirkku Nikamaa-Linder
       
      Clear indication that the system as a whole is not supporting a generally accepted set of goals. Instead, the schools are trying to achieve a goal they see as important at worst while fighting the systemic demands.
  • One such school leader told us they had taken a conscious decision with one group of young people to focus on five key subjects and some life skills, knowing that the accountability system would score them down for it, as it expected eight qualifications from all students at that time.
  • Our system should reward schools making brave decisions which focus on boosting long-term outcomes for pupils, not punish them.
  • It should be able to survive changes of government and provide the test against which policy changes and school actions are judged
  • shine the light on whether the system is truly addressing the needs of all students, rather than just the few required to meet a government target.
  • Focus on raising the ambition and attainment for every child as far as their abilities permit
  • guide young people effectively on their choice of enabling subjects…
  • thos and culture that build the social skills also essential to progress in life and work, and allow them time to focus on this
  • Have a school accountability and assessment framework that supports these goals rather than defining them.
  • social literacy
  • a range of core subjects
  • ncluding critically maths, English, the sciences
  • effective use and understanding of computer science.
  • ‘enabling subjects’
  • humanities, languages, arts, technical and practically-based subjects
  • equip a young person to move on
  • o university, or to an apprenticeship or vocational qualification
  • a set of behaviours and attitudes,
  • An exclusive focus on subjects for study would fail to equip young people with these, though rigour in the curriculum does help
  • ‘employability skills’
  • Behaviours can only be developed over time, through the entire path of a young person’s life and their progress through the school system.
  • right context at school
  • A supportive culture, pastoral care and the right ethos are all needed to make the difference.
  • a long tail of pupils failing to achieve the desired outcomes can no longer be accepted.
  • enable all of our young citizens to reach the desired standards.
  • conflicting expectations placed on schools.
  • renewed system should be able to judge performance against the goals based on more complex metrics.
  • judgement
  • on overall culture and ethos, teaching and governance
  • group of data points, including testing but also outcomes data.
  • Development of a clear, widely-owned and stable statement of the outcome that all schools are asked to deliver.
  • beyond the merely academic, into the behaviours and attitudes schools should foster
  • basis on which we judge all new policy ideas, schools, and the structures we set up to monitor them
  • Ofsted
  • asked to steward the delivery of these outcomes
  • resourcing these bodies to develop an approach based on a wider range of measures and assessments than are currently in use,
Brianna Crowley

Critical thinking? You need knowledge | EducationNews.org - 3 views

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    Diane Ravitch pushes back on the waves of educational initiatives that dismiss the importance of building a body of knowledge for students to think critically about and problem-solve with. 
Michele Brown

Stephen R. Covey: Our Children and the Crisis in Education - 61 views

  • Employers and business leaders need people who can think for themselves -- who can take initiative and be the solution to problems. They need people who can build trust and get along with others, and solve complex challenges in teams without much supervision.
  • "Partnerships between schools and parents in educating the whole child, which includes developing both the character strength and the competencies required to really succeed in the 21st Century."
  • A.B. Combs Elementary School in Raleigh, North Carolina
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  • Seven Habits of Highly Effective People -- a set of universal, timeless, self-evident principles common to every enduring, prospering society, organization, or family. I take no credit for these principles. I simply organized, sequenced and articulated them. These principles include 1) taking personal responsibility and initiative, 2) getting clear about what's important to you and setting goals, 3) putting those priorities first and being disciplined, 4) seeking mutual benefit in all interactions with others -- the golden rule, 5) seeking to understand others from their perspective first before making your point, 6) valuing differences and creating third-alternative solutions to problems that are better than "my way" or "your way," and 7) taking care of and renewing yourself in all four areas of life -- body, mind, heart and spirit.
  • The approach is inside-out, with the teachers and administrators learning, living and modeling the principles themselves first, and then, at the most basic level, integrating the principles into their teaching every day. There is no new curriculum. The principles of effectiveness are creatively woven by teachers into every subject -- reading, math, history, science, social studies, art, etc. From the moment they walk into the school each day until the final bell rings, the children soak in their adult leaders' belief that they are leaders of their own lives, have unique talents, and can make a difference.
  • We don't define leadership as becoming the CEO or the few percent who will end up in big leadership positions. We are talking about leading your own life, being a leader among your friends, being a leader in your own family. Leadership, as one school put it, is doing the right thing even when no one is looking.
  • The world has moved into one of the most profound eras of change in human history.
Dimitris Tzouris

Faculty and IT: Conversations and Collaboration (EDUCAUSE Review) | EDUCAUSE - 20 views

  • IT staff should participate in academic planning to develop course projects and institution-wide outcomes, and faculty should sit on technology committees to develop shared goals and values with IT staff.
  • Only with the insight this provides can IT staff propose systemic technological solutions that meet the specific needs, as well as the broader academic objectives, of faculty.
  • faculty need to know how students learn with technology and what students can create or do because of it.3
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  • the most effective collaborations come from a common sense of purpose and goals.
  • In the spirit of building relationships and sharing knowledge, IT staff could sit in classes to observe the teaching and learning process and to see how technology is — or could be — used. Faculty could attend academic technology conferences alongside IT staff. And when a technology solution is warranted, IT staff could provide faculty with a vetted set of instructional technology tools to explore and choose from. In return, faculty can invest in becoming tech-savvy enough to assess, and ultimately use, those tools. Faculty won't be blindly "window shopping" for technology tools, and IT staff won't be proposing solutions in a vacuum; instead, they will be sharing in goals and challenges.
  • faculty need technology that helps them to be better professors and that helps students become more sophisticated learners.
  • Faculty can start by identifying specific teaching and learning challenges they are trying to resolve, as individuals and as a faculty body, and can then challenge themselves and IT staff to find creative ways to solve them.
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