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An increasing body of evidence suggests that the time we spend on our smartphones is interfering with our sleep, self-esteem, relationships, memory, attention spans, creativity, productivity and problem-solving and decision-making skills. But there is another reason for us to rethink our relationships with our devices. By chronically raising levels of cortisol, the body’s main stress hormone, our phones may be threatening our health and shortening our lives.
If they happened only occasionally, phone-induced cortisol spikes might not matter. But the average American spends four hours a day staring at their smartphone and keeps it within arm’s reach nearly all the time, according to a tracking app called Moment.
“Your cortisol levels are elevated when your phone is in sight or nearby, or when you hear it or even think you hear it,” says David Greenfield, professor of clinical psychiatry at the University of Connecticut School of Medicine and founder of the Center for Internet and Technology Addiction. “It’s a stress response, and it feels unpleasant, and the body’s natural response is to want to check the phone to make the stress go away.”
But while doing so might soothe you for a second, it probably will make things worse in the long run. Any time you check your phone, you’re likely to find something else stressful waiting for you, leading to another spike in cortisol and another craving to check your phone to make your anxiety go away. This cycle, when continuously reinforced, leads to chronically elevated cortisol levels. And chronically elevated cortisol levels have been tied to an increased risk of serious health problems, including depression, obesity, metabolic syndrome, Type 2 diabetes, fertility issues, high blood pressure, heart attack, dementia and stroke.
(Catherine Price. www.nytimes.com, 24.04.2019. Adaptado.)
Texto 5
From: https://bit.ly/2Fso7p5. Accessed on 11/07/2018
O Texto 5 deixa claro que
When the OECD launched the Programme for International Student Assessment — PISA — the idea was to enable countries to make cross-national comparisons of student achievement using a common/standard metric to increase human capital. In other words, higher academic achievement should corelate with earnings in the future and a country’s standard of living. As PISA states, it publishes the results of the test a year after the students are tested to help governments shape their education policies.
As PISA has developed, through seven global testing rounds every three years, with the first in 2000 and the most recent in 2018, for some it has gained a reputation as the “Olympics of education” given the widespread attention that country rankings receive following the release of results.
Now, partly in the face of criticisms, PISA is looking at expanding how and what it tests. As this process unfolds, policy-makers must remember that the social consequences of a test are just as important as the test’s content. Putting a new face on PISA will undoubtedly present various opportunities and challenges.
To date, PISA has been restricted to what is generally called the “cognitive” side of learning, focusing on reading, mathematics and scientific literacy. In addition to test questions, students and school principals fill out questionnaires to provide contextual information on student and school environment characteristics that can be associated with more or less favourable performance.
Countries that excel in PISA tests, such as Finland, a country with less than six million people, have become regarded by policy-makers as a “global reference society” — an ideal to aspire to — due to their high performance in PISA rankings.
Asian countries or jurisdictions like Singapore, Hong Kong (China) and Japan tend to consistently achieve exceptional PISA performances and hence get a lot of attention from other countries wishing to emulate their success via borrowing policy. For example, England flew teachers out to China to study mathematics teaching.
In the next administration in 2021, PISA will tackle creative thinking, trying to find ways to assess, and have students assess, flexibility in thinking and habits of creativity such as being inquisitive and persistent. The PISA team is also developing a way of testing students’ digital learning, which should be ready in time for the 2024 assessment.
However, it should be remembered that education policies from high achieving nations don’t migrate across international boundaries without consideration given to national and cultural contexts. Rather, innovations and changes in education require teachers to have the time and opportunity to re-educate themselves in relation to more recent insights in what it means to get the best out of children.
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Artificial intelligence and the future of medicine
Right now, the challenges we need to address as we try to bring AI into medical practice include improving the quality of the data that we feed into AI systems, developing ways to evaluate whether an AI system is actually better than standard of care, ensuring patient privacy and making sure not only that AI doesn't disrupt clinical work flow but in fact improves it. But if doctors do their jobs right and build these systems well, much of what we have described will become so ingrained in the system, people won't even refer to it separately as informatics or AI. It will just be medicine.
Cerrado
Located between the Amazon, Atlantic Forests and Pantanal, the Cerrado is the largest savanna region in South America.
The Cerrado is one of the most threatened and overexploited regions in Brazil, second only to the Atlantic Forests in vegetation loss and deforestation. Unsustainable agricultural activities, particularly soy production and cattle ranching, as well as burning of vegetation for charcoal, continue to pose a major threat to the Cerrado’s biodiversity. Despite its environmental importance, it is one of the least protected regions in Brazil.
Facts & Figures
• Covering 2 million km2 , or 21% of the country’s territory, the Cerrado is the second largest vegetation type in Brazil.
• The area is equivalent to the size of England, France, Germany, Italy and Spain combined.
• More than 1,600 species of mammals, birds and reptiles have been identified in the Cerrado.
• Annual rainfall is around 800 to 1600 mm.
• The capital of Brazil, Brasilia, is located in the heart of the Cerrado. • Only 20% of the Cerrado’s original vegetation remains intact; less than 3% of the area is currently guarded by law.
(http://wwf.panda.org. Adaptado.)
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The article analyzes the relationship of Indigenous
Peoples with the public policy of Social Assistance (AS) in Brazil. Based on
data collected during field work carried out in 2014, will analyze the case of
the Indigenous Reserve of Dourados, Mato Grosso do Sul. In the first part, I
characterize the unequal relationship between society and national state with
Indigenous Peoples to, then approach the Welfare State politics as an
opportunity to face the violation of rights resulting from the colonial siege. Then
we will see if Dourados to illustrate the dilemmas and possibilities of
autonomy and indigenous role faced with this public policy. It is expected to
contribute to the discussion of statehood pointing concrete cases where the
local implementation of AS policy is permeable to a greater or lesser extent,
the demands of Indigenous Peoples by adaptation to their social organizations
and worldviews.
(BORGES, Júlio César. Brazilian society has made us poor: Social Assistance and ethnic autonomy of Indiggenous Peoples. The case of Dourados, Mato Grosso do Sul. Horiz. antropol. Disponível em: <http://www.scielo.br/scielo.php?script=sci_abstract&pid=S0104-71832016000200303&lng=en&nrm=iso&tlng=en>. Acesso em: 10 nov. 2018).
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Predictions for the future of 'smart' education
Posted by Charley Rogers - January 22, 2018
A wave of new technology has been introduced into schools up and down the country changing the way
teachers deliver lessons and how students learn.
A research by Randstad Education found schools and colleges have adopted the latest tech to improve teaching and make lessons more interactive and engaging. Some of the innovations already in use include ‘gamifying’ lessons by incorporating game-like rules and tasks to increase motivation. For example, Shireland Academy in the West Midlands included Minecraft on its curriculum.
Education, the research found, will become more project-based and include more interactive content to keep up with students’ changing attitudes towards traditional media. Classrooms, it is predicted, will join the Internet of Things – a network of devices like smartwatches that connect and share data with other items and systems – and create ‘smart schools’ where the teachers, students and devices become more connected.
Pressure on teachers – 75% find their workload unmanageable – as well as rising student numbers means technology will play a larger role performing tasks to save time. Teachers are also reaping the rewards as lessons and assessments move out of the classroom and onto platforms that make it easier for them to chart progress and achieve a better work-life balance. Education experts have highlighted the importance of new techniques that help teachers do their jobs.
However, while tech will become more commonplace in the classroom, it is expected to compliment teachers and not replace them. It´s important to understand that teaching tools have come a long way since the days when teachers used to write on chalkboards and present using an overhead projector.
The research says that students today benefit from some of the most exciting technology available to schools, but it’s not just the pupils who benefit from these innovations through invigorating lessons and virtual learning. Teachers are also reaping the rewards as lessons and assessments move out of the classroom and onto platforms that make it easier for them to chart progress and achieve a better work-life balance.
Technology has arrived and the teachers and classrooms of tomorrow are here today.
Disponível em: <https://edtechnology.co.uk/Article/predictions-for-the-future-of-education>. Acesso em: 19 set. 2018. (Adaptado).
Disponível em: <http://www.bosch-presse.de/pressportal/de/en/see-boschs-contribution-to-industry-4-0-42895.html>. Acesso em: 23 fev. 2018. (Adaptado)
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Keywords: human beings are not very good at keyword searches. There's a fallacy that human beings looking at documents is the gold standard which cannot be, because human may miss things.
Database: the explosion in the amount of electronic data generated today makes it hard for human workers to keep up. This so much more data nowadays need these technologies find relevant material for lawyers. Also the AI could not just look at the text of a document or email, it can look at the tone of the conversation, who sent it, to check if the item should be flagged for review in litigation.
Restless: computers don't get tired, they don't get hungry, they don't sleep in and all of the things that are biological problems that can happen to a human being can't happen to computers.
An example of this technology is ROSS - it is a legal research platform based on IBM's cognitive computing system Watson. This technology is being used by a number of law firms, which state that the legal sector has being changing along the years. Firms, particularly larger ones, begin to see the advantage of AI, and their legal future possibly will completely change, with lawyers working from office, home office and other possibilities.
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Dying to defend the planet: why Latin America
is the deadliest place for environmentalists
February 11, 2017
Defending nature is a dangerous occupation, especially in Latin America. According to a recent report by Global Witness, an NGO, 185 environmental activists were murdered worldwide in 2015, an increase of 59% from the year before. More than half the killings were in Latin America. In Brazil 50 green campaigners died in 2015. Honduras is especially dangerous: 123 activists have died there since 2010, the highest number of any country relative to its population. Berta Cáceres, an indigenous leader who was a prominent campaigner against dams and plantations, was murdered there.
Why is Latin America so deadly? One reason is its abundant natural resources, which attract enterprises of all sorts, from multinationals to mafias. When prices are low, as they are now, the most rapacious do not go away; to maintain their profits they become more aggressive, says David Kaimowitz of the Ford Foundation, which gives money to good causes. New technologies open up new battlefronts. Soya beans bred to grow in tropical conditions have encouraged farmers to displace cattle ranchers, who in turn have advanced into the rainforest. Small prospectors can now extract gold from soil rather than just hunting around. That opens up new areas for exploitation, such as San Rafael de Flores in south-eastern Guatemala, where activists have been murdered.
The odds of finding the criminals are greater if the victim is foreign. Dorothy Stang, an American nun who fought to protect the Amazon rainforest, was killed in Brazil 12 years ago. Both the gunman and a rancher who had hired him eventually went to jail. But that is an exception.
(https://www.economist.com/the-americas/2017/02/11/
why-latin-america-is-the-deadliest-place-for-environmentalists. Adaptado)
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