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Luciano Ferrer

An Ancient Retrovirus Has Been Found in Human DNA - and it Might Still Be Active - 0 views

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    "Striking evidence has emerged that an ancient virus previously known only from fossil evidence has persistently infected some humans at very low levels for hundreds of thousands or even millions of years. This ancient retrovirus is a kind of living fossil, and the discovery of an intact copy of it within the human genome poses questions as to how it has survived, and suggests others from the distant evolutionary past may lie dormant in the DNA of many species. ..."
Luciano Ferrer

What is 21st century education? - 0 views

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    Publicado el 15 mar. 2012 Our world is changing at an unprecedented pace. To prepare our students, lessons must go beyond the "3 R's" and foster 21st century skills. Skills like critical thinking, communication, collaboration and creativity will be essential for students to take on the challenges and opportunities that lie ahead.
Luciano Ferrer

Who's Asking? - Alfie Kohn - 0 views

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    "It seems only fitting to explore the role of questions in education by asking questions about the process of doing so. I propose that we start with the customary way of framing this topic and then proceed to questions that are deeper and potentially more subversive of traditional schooling. 1. WHICH QUESTIONS? To begin, let's consider what we might ask our students. The least interesting questions are those with straightforward factual answers. That's why a number of writers have encouraged the use of questions described variously as "true" (Wolf, 1987), "essential" (Simon, 2002), "generative" (Perkins, 1992; Perrone, 1998), "guiding" (Traver, 1998), or "fertile" (Harpaz & Lefstein, 2000). What the best of these share is that they're open-ended. Sometimes, in fact, no definitive right answer can be found at all. And even when there is one - or at least when there is reason to prefer some responses to others - the answer isn't obvious and can't be summarized in a sentence. Why is it so hard to find a cure for cancer? Do numbers ever end? Why do people lie? Why did we invade Vietnam? Grappling with meaty questions like these (which were among those generated by a class in Plainview, NY) is a real project . . . literally. A question-based approach to teaching tends to shade into learning that is problem- (Delisle, 1997) and project-based (Kilpatrick, 1918; Blumenfeld et al., 1991; Wolk, 1998). Intellectual proficiency is strengthened as students figure out how to do justice to a rich question. As they investigate and come to understand important ideas more fully, new questions arise along with better ways of asking them, and the learning spirals upwards. Guiding students through this process is not a technique that can be stapled onto our existing pedagogy, nor is it something that teachers can be trained to master during an in-service day. What's required is a continual focus on creating a classroom that is about thinking rather
Luciano Ferrer

Un alumno me dijo una mentira y así es cómo reaccioné, por @smoll73 - 0 views

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    "... Lo que pienso que no deberías hacer: Dudar de la afirmación del alumno si sabes perfectamente que no es verdad. Enfadarte con el alumno gritándole o respondiéndole mal. Castigar al alumno. Ridiculizar o humillar al alumno delante de todo el grupo. Lo que pienso que deberías hacer: RESPONDER AL ALUMNO DE FORMA ASERTIVA Ese fue el error que cometí con ese alumno, no responderle de manera asertiva. Pero de ese error salió una reflexión que me ha permitido combatir la mentira de una manera más efectiva. Por que la asertividad: no es lo que haces, es lo que eres. es la capacidad de encontrar el equilibrio entre la agresividad y la pasividad. consiste en defender tus derechos de manera inteligente. Es por ello que, cuando te enfrentes a un alumno de forma asertiva, debes tener en cuenta los siguientes aspectos: Debes responder al alumno de forma calmada, pero firme y contundente a la vez. No seas verbalmente agresivo. Empieza tu respuesta pronunciando en voz alta el nombre del alumno, así empatizarás con él. Después del nombre del alumno, debes dar una respuesta breve que debería ser algo así como: [Nombre del alumno], + la frase que acabas de pronunciar no es cierta. (La expresión "no es cierta" es menos agresiva que la palabra "mentira"). A continuación, debes pronunciar una segunda frase que conecte emocionalmente con el alumno. Esta frase debe ser en primera persona. Puedes empezar la frase así: Me ha dolido que…, Me gustaría que…, Siento que… Tras estas dos frases, viene el momento de proponer una disculpa: [Nombre del alumno], me gustaría que te disculparas por la frase que has dicho y que, repito, no es cierta. La disculpa de alumno debería ser así: [Nombre del profesor], te pido disculpas por la frase que he dicho y que no es cierta. (Esta frase se debe enseñar y hasta me atrevería decir que mecanizar). Fin del diálogo.
Carlos Magro

The Computer Delusion - The Atlantic - 7 views

  • IN 1922 Thomas Edison predicted that "the motion picture is destined to revolutionize our educational system and ... in a few years it will supplant largely, if not entirely, the use of textbooks."
  • William Levenson, the director of the Cleveland public schools' radio station, claimed that "the time may come when a portable radio receiver will be as common in the classroom as is the blackboard.
  • B. F. Skinner, referring to the first days of his "teaching machines," in the late 1950s and early 1960s, wrote, "I was soon saying that, with the help of teaching machines and programmed instruction, students could learn twice as much in the same time and with the same effort as in a standard classroom."
  • ...39 more annotations...
  • a bridge to the twenty-first century ... where computers are as much a part of the classroom as blackboards
  • We could do so much to make education available twenty-four hours a day, seven days a week, that people could literally have a whole different attitude toward learning
  • Larry Cuban, a professor of education at Stanford University and a former school superintendent, observed that as successive rounds of new technology failed their promoters' expectations, a pattern emerged
  • Today's technology evangels argue that we've learned our lesson from past mistakes
  • The promoters of computers in schools again offer prodigious research showing improved academic achievement after using their technology
  • killed its music program last year to hire a technology coordinator
  • The possibilities of using this thing poorly so outweigh the chance of using it well, it makes people like us, who are fundamentally optimistic about computers, very reticent
  • Perhaps the best way to separate fact from fantasy is to take supporters' claims about computerized learning one by one and compare them with the evidence in the academic literature and in the everyday experiences I have observed or heard about in a variety of classrooms.
  • Computers improve both teaching practices and student achievement.
  • Computer literacy should be taught as early as possible; otherwise students will be left behind.
  • To make tomorrow's work force competitive in an increasingly high-tech world, learning computer skills must be a priority.
  • Technology programs leverage support from the business community—badly needed today because schools are increasingly starved for funds.
  • Work with computers—particularly using the Internet—brings students valuable connections with teachers, other schools and students, and a wide network of professionals around the globe.
  • Connecting K-12 Schools to the Information Superhighway
  • begins by citing numerous studies that have apparently proved that computers enhance student achievement significantly
  • n the early 1980s Apple shrewdly realized that donating computers to schools might help not only students but also company sales, as Apple's ubiquity in classrooms turned legions of families into Apple loyalists
  • there is scant evidence of greater student achievement.
  • They're especially weak in measuring intangibles such as enthusiasm and self-motivation
  • Computers in classrooms are the filmstrips of the 1990s
  • Apple quickly learned that teachers needed to change their classroom approach to what is commonly called "project-oriented learning
  • students learn through doing and teachers act as facilitators or partners rather than as didacts.
  • the guide on the side instead of the sage on the stage
  • But what the students learned "had less to do with the computer and more to do with the teaching,
  • Even in success stories important caveats continually pop up. The best educational software is usually complex — most suited to older students and sophisticated teachers.
  • Part of the answer may lie in the makeup of the Administration's technology task force
  • Each chapter describes various strategies for getting computers into classrooms, and the introduction acknowledges that "this report does not evaluate the relative merits of competing demands on educational funding
  • Hypertext Minds
  • Today's parents, knowing firsthand how families were burned by television's false promises, may want some objective advice about the age at which their children should become computer literate
  • Opinions diverge in part because research on the brain is still so sketchy, and computers are so new, that the effect of computers on the brain remains a great mystery.
  • that the mediated world is more significant than the real one.
  • n the past decade, according to the presidential task force's report, the number of jobs requiring computer skills has increased from 25 percent of all jobs in 1983 to 47 percent in 1993
  • told me the company rarely hires people who are predominantly computer experts, favoring instead those who have a talent for teamwork and are flexible and innovative
  • Many jobs obviously will demand basic computer skills if not sophisticated knowledge. But that doesn't mean that the parents or the teachers of young students need to panic.
  • NEWSPAPER financial sections carry almost daily pronouncements from the computer industry and other businesses about their high-tech hopes for America's schoolchildren
  • High-tech proponents argue that the best education software does develop flexible business intellects
  • IT is hard to visit a high-tech school without being led by a teacher into a room where students are communicating with people hundreds or thousands of miles away — over the Internet or sometimes through video-conferencing systems (two-way TV sets that broadcast live from each room).
  • The free nature of Internet information also means that students are confronted with chaos, and real dangers
  • We need less surfing in the schools, not more
  • chooling is not about information. It's getting kids to think about information. It's about understanding and knowledge and wisdom
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    The Atlantic covers consequential news and ideas in politics, business, entertainment, technology, health, education, and global affairs.
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