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China’s facial recognition system comes straight out of a dystopian novel

As of 2020, China has millions of cameras installed across most ofits cities,to reach 600 million by 2021. Even with a mask, sunglasses, or makeup on, the technology can identify citizens and track every movement in realtime. It also labels their sex, age, and the colour of their clothing, as well as the colour, model, and license plate of any vehicle.

Consider the following statements:

I - Until 2020, China did not have cameras installed across the cities.
II - People will be recognized by the cameras, although they have a mask, sunglasses, or makeup on.
III - The technology can also identify the cars, including all their characteristics.

Why do we buy into the 'cult' of overwork?

By Bryan Lufkin, 9th May 2021

Although many of us associate overly ambitious workaholism with the 1980s and the finance industry, the tendency to devote ourselves to work and glamourize long-hours culture remains as pervasive as ever. In fact, it is expanding into more sectors and professions, in slightly different packaging. Overwork isn't a phenomenon exclusive to Silicon Valley or Wall Street. People work long hours all over the world, for many different reasons

In Japan, a culture of overwork can be traced back to the 1950s, when the government pushed hard for the country to be rebuilt quickly after World War Two. In Arab League countries, burnout is high among medical professionals, possibly because its 22 members are developing nations with overburdened healthcare systems, studies suggest. Reasons for overwork also depend on industry. Some of the earliest researchers on burnout in the 1970s asserted that many people in jobs geared toward helping others, like employees in clinics or crisis-intervention centers, tended to work long hours that led to emotional and physical exhaustion – a trend which is shown up in the pandemic, too. But millions of us overwork because somehow, we think it’s exciting – a status symbol that puts us on the path to success, whether we define that by wealth or an Instagram post that makes it seem like we're living a dream life with a dream job. Romanticization of work seems to be an especially common practice among "knowledge workers" in the middle and upper classes. In 2014, the New Yorker called this devotion to overwork "a cult".

According to Anat Lechner, clinical associate professor of management at New York University. "We glorify the lifestyle, and the lifestyle is: you breathe something, you sleep with something, you wake up and work on it all day long, then you go to sleep. Again, and again and again."

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It’s probable you’ve already replied to a couple of emails today, sent some chat messages and maybe performed a quick internet search. As the day wears on you will doubtless spend even more time browsing online, uploading images, playing music and streaming video.

Each of these activities you perform online comes with a small cost — a few grams of carbon dioxide are emitted due to the energy needed to run your devices and power the wireless networks you access. Less obvious, but perhaps even more energy intensive, are the data centres and vast servers needed to support the internet and store the content we access over it.

Although the energy needed for a single internet search or email is small, approximately 4.1 billion people, or 53.6% of the global population, now use the internet. Those scraps of energy, and the associated greenhouse gases emitted with each online activity, can add up.

If we were to rather crudely divide the 1.7 billion tonnes of greenhouse gas emissions estimated to be produced in the manufacture and running of digital technologies between all internet users around the world, it means each of us is responsible for 400 g of carbon dioxide a year.

But things are not that simple — this figure can vary depending where in the world you are. Internet users in some parts of the globe will have a disproportionately large footprint. One study estimated that 10 years ago, the average Australian internet user was responsible for the equivalent of 81 kg of carbon dioxide being emitted into the atmosphere. Improvements in energy efficiency, economies of scale and use of renewable energy will doubtless have reduced this, but it is clear that people in developed nations still account for the majority of the internet’s carbon footprint.

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Brazil is brilliant at vaccinations. So what went wrong this time?

When it comes to Covid-19 vaccination programs, there are some countries that have exceeded expectations and others that have fallen surprisingly short. And then there is Brazil. Vaccinating over 210 million people may sound daunting, but for Brazil it really shouldn’t be. With one of the largest universal, free-of-charge public health systems in the world, the country has a distinguished track record of vaccinations and disease control. The National Immunization Program, founded in 1973, helped to eradicate polio and rubella in the country and currently offers more than 20 vaccines free in every municipality.

Along with the infrastructure to distribute vaccines, there’s also the expertise to do so: in 1980, the country vaccinated 17.5 million children against polio in a single day. In 2010, over 89 million doses of the swine flu vaccine were administered in under four months. And last year, more than 70 million Brazilians received their annual shot against influenza.

But despite these advantages, Brazil’s vaccine rollout has been painfully slow, inconsistent and marred by shortages. The nationwide program began on Jan. 18, later than over 50 countries, and its current rate will take more than four years to complete. Several major cities, such as Rio de Janeiro and Salvador, have already had to stop their campaigns because of problems in supply. In a country where the pandemic has wrought terrible damage, the failure amounts to a disaster. So what went wrong? Perhaps we should look to "Zé Gotinha", Joe Droplet: He seems to know exactly who to blame.

From the beginning, Mr. Bolsonaro’s government downplayed the seriousness of the pandemic. The president fought against masks and social distancing measures, comparing the coronavirus to rain that would fall on most people while drowning just some of them. ("It’s no use staying home crying," he recently said, after the country registered 1,452 deaths on a single day.) In the middle of the outbreak, he managed to get rid of two health ministers - both doctors - who threatened to contradict him, replacing them with an army general.

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The aliens among us

Humans think of themselves as the world’s apex predators. Hence the silence of sabre-tooth tigers, the absence of moas from New Zealand and the long list of endangered megafauna. But sars-cov-2 shows how people can also end up as prey. Viruses have caused a litany of modern pandemics, from Covid-19, to hiv/aids to the influenza outbreak in 1918-20, which killed many more people than the first world war. Before that, the colonisation of the Americas by Europeans was abetted – and perhaps made possible – by epidemics of smallpox, measles and influenza brought unwittingly by the invaders, which annihilated many of the original inhabitants.

Saber gramática não é apenas para evitar erros. A gramática correta é a chave para compreender e falar inglês com fluência e confiança. Dessa forma, assinale a opção que indica a respectiva função gramatical das seguintes palavras, de acordo com o contexto utilizado no texto:

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Here's to the crazy ones, the misfits, the rebels, the troublemakers, the round pegs in the square holes... the ones who see things differently -- they're not fond of rules... You can quote them, disagree with them, glorify or vilify them, but the only thing you can't do is ignore them because they change things... they push the human race forward, and while some may see them as the crazy ones, we see genius, because the ones who are crazy enough to think that they can change the world, are the ones who do.

The text above was used in a 1997 Apple advertisement and was part of Steve Jobs' 2005 Stanford University commencement address.

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The changing role of teachers and technologies amidst the COVID 19 pandemic: key findings from a cross-country study

Despite the overwhelming consequences of the pandemic, this global crisis has also been an extraordinary time for learning. We are learning how adaptable and resilient educational systems, policy makers, teachers, students and families can be. In this blog (which is part of a series highlighting key lessons learned from a study to understand the perceived effectiveness of remote learning solutions, forthcoming) we summarize lessons learned in different countries, with special focus on teachers and how they had to quickly reimagine human connections and interactions to facilitate learning. The role of teachers is rapidly evolving becoming in many ways more difficult than when learning took place only in person.