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Best AI Tools for Education and Learning Online


There are several AI tools that can enhance education and facilitate online learning. Here are some of the best AI tools for education:

  1. Adaptive Learning Platforms: Adaptive learning platforms use AI algorithms to personalize the learning experience for each student. These platforms analyze student performance and provide tailored content and recommendations to address their individual needs.
  2. Intelligent Tutoring Systems: Intelligent tutoring systems use AI to provide personalized instruction and support to students. These systems can simulate a human tutor by adapting to the student’s learning style, providing feedback, and offering additional resources as needed.
  3. Language Learning Apps: AI-powered language learning apps help learners practice speaking, writing, and listening skills. They use speech recognition, natural language processing, and machine learning to provide feedback and suggestions for improvement.
  4. Virtual Reality (VR) and Augmented Reality (AR): VR and AR technologies provide immersive learning experiences. They can simulate real-world scenarios, allowing students to explore environments and concepts that are otherwise difficult to access. AI can enhance these experiences by providing intelligent interactions and feedback.
  5. Automated Grading Systems: AI-powered automated grading systems can significantly reduce the time and effort required for grading assignments and assessments. These systems use machine learning algorithms to analyze student responses and provide accurate and consistent feedback.
  6. Intelligent Content Creation Tools: AI tools can assist in content creation by automating tasks such as generating quizzes, creating lesson plans, and recommending relevant learning resources. They can also help educators identify knowledge gaps and adapt their teaching materials accordingly.
  7. Chatbots and Virtual Assistants: AI-powered chatbots and virtual assistants can provide instant support to students, answering their questions, guiding them through learning materials, and offering personalized recommendations.
  8. Data Analytics and Predictive Models: AI-driven data analytics tools can analyze large amounts of educational data to identify patterns and insights. This information can be used to improve teaching strategies, predict student performance, and identify areas where intervention may be necessary.

It’s important to note that while AI tools have the potential to enhance education, they should be used as complements to human instruction and not as replacements. The role of educators remains crucial in providing guidance, support, and mentorship to learners.

Twitter Blue will now allow tweets of up to 10,000 characters


Users of the paid version of Twitter can also use bold and italics.

Twitter has announced that it now supports ‘tweets’ of up to 10,000 characters in length and with bold and italic writing styles, although this is an option restricted to users of its paid version, Twitter Blue.

Twitter Blue is a premium service from the social network that offers benefits such as the ability to edit tweets, close saved item folders, or display a blue verified account badge.

The company has spent months announcing and developing features for this modality, which has recently introduced a filter that offers “approximately 50 per cent” fewer ads suggested in the ‘For you’ and ‘Following’ timelines than the free version.

Twitter Blue will allow you much longer tweets
Another outstanding feature of Twitter Blue is that it allows subscribers to write longer ‘tweets’. Precisely in February, it introduced a limit of up to 4,000 characters for publications.

However, Twitter has now announced that subscribed users can write ‘tweets’ of up to 10,000 characters. This functionality has been made available to users to improve “the writing and reading experience” on the platform.

In addition to publicizing the expansion of the characters, the company has indicated through its Twitter Write profile that users can apply styles with bold and italics. And it has encouraged them to enable Subscriptions in their accounts, to earn income from these posts.

This option, already existing in the ‘Monetization’ section, formerly known as Super Follows, is a tool currently in the testing phase in the United States, Canada, New Zealand, and Australia focused on “the followers who interact the most with the people they following”.

Specifically, this monthly subscription feature earns money from the platform for your contributions and posts and allows subscribers to access additional content, exclusive previews and other benefits.

The company’s CEO, Elon Musk, has encouraged users to offer monetizable content through these subscriptions, which admit “any material, from long text to hours-long videos,” as he has expressed in a tweet.

Elon Musk has also clarified that “for the next 12 months, Twitter will not keep any of the money” generated by this content. Users will receive 70 per cent of these compensations since 30 per cent of them are received by iOS and Android. They will also charge around 92 per cent if they use the web version of Twitter.

After that first year, the iOS and Android fees will be reduced to 15 per cent, although the platform will add “a small additional amount” that will depend on the volume of subscribers.

The manager has insisted that its premise is to help creators promote their work and that its objective is to “maximize the prosperity” of these users and offer them facilities to leave the platform. “Easy in, easy out,” he has said.

US CDC Investigating Recalled Eye Drops


The majority of patients infected with Pseudomonas aeruginosa reported using artificial tears or eyedrops, according to the Centers for Disease Control and Prevention (CDC). This drug-resistant strain of bacteria caused severe injuries to 68 patients across the United States, including three deaths.

According to the CDC, these cases involved ten distinct ophthalmic drug brands. Ezri Care Artificial Tears, which the Food and Drug Administration advised consumers to stop purchasing a month ago, were the most common.

The CDC stated that it will test unopened bottles to determine whether contamination occurred during manufacturing and that it confirmed a matching strain of Pseudomonas aeruginosa in the product’s opened bottles.

In February 2023, the FDA said that Ezricare’s parent company, Global Pharma Healthcare, a pharmaceutical provider based in India, had failed to provide adequate microbial testing for its over-the-counter eye product. The same was true for Delsam Pharma Artificial Eye Ointment, another of the company’s products, which the company voluntarily recalled shortly after.

According to the FDA, Global Pharma distributed the drugs without using appropriate preservatives and did not use adequate, tamper-evident packaging. NPR contacted Global Pharma for comment, but they did not immediately respond. In February 2023, eyedrop products from Apotex Corp. and Pharmedica USA were recalled, despite the fact that those brands’ products had not been linked to infections at the time.

WHO declares covid remains a global health emergency


COVID-19 is still an international health emergency, was reported by the World Health Organization (WHO) declared, following an advisory committee ruling that the disease may be nearing reaching a “tipping point” where a higher degree of immunity could reduce deaths caused by the virus.

“There there is absolutely no doubt we’re today in a far better place” than we were a year ago at a time when the variation in the omicron was at its highest, WHO Director-General Tedros Adhanom Ghebreyesus declared in remarks made at the start of the annual meeting of executive directors. Of the WHO.

Tedros stated that over the past eight weeks, 170,000 people had been killed worldwide due to the coronavirus. Tedros urged those at risk to be vaccinated, more testing and treatment with antivirals in addition to an increase in the number of lab networks as well as a fight against “misinformation” regarding the spread of the virus.

“We are hopeful that in the coming year, we’ll enter the next phase of our journey in which we can reduce hospitalizations and deaths to the lowest levels,” he said.

Tedros spoke after the WHO announced the conclusions of its emergency panel on the pandemic, declaring it had been reported that 13.1 billion doses of COVID-19 vaccines were given. According to the report, about 90 percent of healthcare workers and more than four in-five adults over 60 had completed the initial series of vaccinations.

“The committee was aware that the COVID-19 pandemic could be nearing the tipping threshold,” the WHO said in the statement. Increased levels of immune protection worldwide obtained through vaccination or the infection process “could limit the impact” of the COVID-19 virus in “morbidity and mortality,” the committee stated.

“But there is no certainty that it will continue to be an ever-present pathogen to both animals and humans in the near time to come,” it reads. Even though the omicron-type variants can be easily transmitted, “there has been a difference between the severity of the infection and the illness” compared to earlier versions.

Committee members have cited “pandemic fatigue” and the increasing perception in the public that COVID-19 isn’t as harmful as it used to be, causing people to be more oblivious to preventive measures like wearing masks. And social isolation.

Samsung could say goodbye to a model of the Galaxy S series in 2024


Samsung’s Unpacked 2023, scheduled for February 1, could be the last we see a model from the Galaxy S family.

For several years, Samsung has been committed to providing three models of the S series: Galaxy S (the base), Galaxy S + (with a larger screen) and the Galaxy S Ultra (with greater camera features).

The Korean portal The Elec assures that Samsung would be thinking of deleting one of them.

Will Samsung say goodbye to the Galaxy S+?
According to what The Elec indicates, Samsung is planning not to launch a Galaxy S24+ in 2024.

This would be due to a “polarization of the cell phone market”, with the Galaxy S+ model losing ground by being located between the Galaxy S and Galaxy S Ultra.

Plans could change. This February 1 we will see the new Galaxy S, and a good performance of the potential Galaxy S23+ could give the model new airs.

As The Elec explains, parts for the 2024 Galaxy S24 series will still be laid out later this year.

The five strangest medical cases of 2022


Physicians regularly document the unique situations they encounter in the form of reports in medical journals. Here is a non-exhaustive list of the strangest medical cases reported this year.

Vitamin D overdose

Vitamin D overdose

We need vitamin D mainly to increase the levels of calcium and phosphorus in our blood. The main natural source of vitamin D remains exposure to the Sun. Some foods also contain it and it is also possible to ensure its intake with supplements provided you do not abuse it too much.

A study published in July in BMJ Case Reports also detailed the case of a Briton who consumed the equivalent of 400 times the recommended daily dose in one day. The man would then have suffered from several symptoms (diarrhea, abdominal pain, tinnitus and vomiting) for nearly three months, losing more than thirteen kilos in the process. Everything was finally back to normal two months later thanks to treatment to reduce his high calcium level.

Man rips his lung out while masturbating

Man rips his lung out while masturbating

A few months ago, a young man’s masturbation session landed him in hospital with spontaneous pneumomediastinum, the result of a sudden increase in pressure in the chest cavity. The tearing of certain lung membranes then allows the air circulating in the respiratory system to escape and end up in the space in the chest located between the two lungs (the mediastinum).

This phenomenon is usually triggered by a violent cough, an acute asthma attack, excessive vomiting or intense physical exercise.

Foam insulation in his urethra

Foam insulation in his urethra

For one reason or another, sometimes people insert foreign bodies into their genitourinary tract, especially the urethra. Of course, this type of maneuver is not without risk.

A few months ago, a team of doctors notably reported the case of a 45-year-old man whose partner had inserted a long straw into his urethra connected to a bomb of insulating foam in an attempt to alleviate his erectile dysfunction, before inadvertently pull the trigger. The insulation had then passed through the entire length of the urethra before finally filling the bladder.

Hiccups and cancer

Hiccups and cancer

Most of the time, hiccups are short-lived and completely benign. However, sometimes they are a sign of a much deeper problem. Last March, Indian doctors reported the case of a patient whose hiccups had lasted for months. After analysis, it emerged that the latter was caused by an aggressive brain tumor. After radiation therapy and surgery, the symptoms subsided.

“Allergic” to his own orgasms

“Allergic” to his own orgasms

Earlier this year, doctors reported the case of a person who developed an allergic reaction to his own orgasms. Specifically, the man suffered from symptoms similar to hay fever after ejaculating. This phenomenon is known as post-orgasmic illness syndrome, manifested itself from his adolescence, pushing this poor man to avoid sexual and romantic relationships.

Doctors suspected that the cause of these symptoms could be an infection in the testicles, or even an injury. Thus, leakage of sperm into the bloodstream would cause rejection by immune cells. To treat it, the team opted for long-acting antihistamines, often used to manage other types of allergies. The man was then able to enjoy orgasms with significantly reduced symptoms.

300 million year old fossils distorted by the formation of Pangea


Fossils discovered more than a century ago in Ireland were likely deformed by superheated fluids around 300 million years ago. These fluids are believed to have been released when Earth’s ancient continents collided to form Pangea. Details of the study are published in the journal Paleontology.

Strange ‘dragon’ fossils

These 320-million-year-old fossils (Carboniferous era) are essentially made up of a group of amphibian-like tetrapod creatures of the genus Keraterpeton. Discovered in 1866 at a fossil site in County Kilkenny, southern Ireland, these animals that could have fit in the palm of your hand looked like salamanders with pointed horns.

Somewhat oddly, all of these remains have visibly been deformed, while large sections of them have been replaced by surrounding charcoal. The fossils also contain an unusually high amount of apatite crystals or phosphate minerals. They are found in the bones of most animals, as well as in many volcanic rocks.

To explain all these features, it was long thought that these fossils were buried in acidic soil. This soil would then have dissolved most of the bones and allowed charcoal to take their place. A new study challenges that assumption. After analysis, it would indeed seem that the apatite in the bones was probably formed twenty million years after the death of these creatures. This observation therefore implies another explanation.

Formation of Pangea

The Earth’s crust and upper mantle form tectonic plates that float on top of the molten rock of the middle mantle. Over the past billion years, the continents have been moved around the world according to the movements of the tectonic plates which slide, crash or overlap each other. Here, the formation of apatite seems to correspond with the formation of the last supercontinent on Earth: the famous Pangea.

More specifically, the researchers believe that the apatite in the fossils likely came from superheated fluids that were released during this process.

“When these continents collided, they formed mountain belts with superheated underground fluids flowing out of them,” says Aodhán Ó Gogáin, of University College Dublin. “It was these superheated fluids, which circulated throughout Ireland, that cooked and melted the bones of these fossils causing the weathering we see today.”

The team, which has finally settled the question of the origin of these “Irish dragon” fossils, hopes that these discoveries can also be used to learn more about the formation of Pangea.

A dieback of the Amazon simulated by the latest generation of climate models


A study provides a better understanding of how the Amazon could react to climate change by the end of the century. Crossing a tipping point beyond which the whole of the forest would turn into savannah, for example, seems rather unlikely. The results were published in the journal Earth System Dynamics on November 24.

The risk of seeing all or part of the Amazon turn into savannah under the combined effects of deforestation, agricultural practices and climate change remains difficult to assess. One of the difficulties is that most models do not show such an evolution, thus opposing a growing number of theoretical and observational elements suggesting the approach of a tipping point. Given the importance of the question, research on the subject is particularly intense.

The latest generation of climate models, however, changes the situation since it reports a decline of the Amazonian forest with continued warming. The emerging process is, however, more subtle than reasoning based on simplified theories might suggest. Indeed, the models show that the Amazon is not rocking as a whole, but rather by segments. We thus observe a kind of stair-step decline as environmental conditions deteriorate.

Amazonia and climate, a multitude of tipping points

Instead of a single tipping point, we would have to imagine a multitude of them, each associated with a small section of the tropical forest. Scientists note, however, that even local diebacks would have dire consequences for the ecosystems and communities therein. “This study suggests that for every degree of warming above 1.5°C, up to 12% of the northern Amazon will see steep declines in carbon content in vegetation,” said Isobel Parry, lead author of the study. .

In addition to revealing local bifurcations in response to warming, the models show that these tipping points are preceded by an accentuation of the seasonal thermal cycle. Indeed, the vegetation becomes increasingly dry, which accentuates the rise in temperatures outside the rainy season. This indicator, which signals increasing water stress, therefore seems promising for identifying the imminence of tipping points in the real world.

“The temperature observation data allow us to infer that the Amazon has been drying up for more than a hundred years,” reports Paul Ritchie, author of a sister study on the issue. “Earth system models predict continued drying in the future under global warming, giving us yet another reason to be concerned about climate-induced Amazon rainforest dieback.” Fortunately, the Amazon has little risk of tipping over as a whole, leaving more room for forest protection and climate change mitigation policies.

US Consumer Inflation Shows Signs Of Cooling


In October 2022, consumer inflation reached 7.7 percent from a year earlier, and 0.4 percent from September 2022. This slowdown from 8.2 percent in September 2022, was the smallest increase since January 2022. A different gauge known as core inflation, which excludes food and energy, has increased by 6.3 percent in the past 12 months, and 0.3 percent since September 2022.

Price hikes in the United States moderated last month, and the pressures of inflation gripping the country might be easing as the economy slows and the consumers can grow more cautious.

These numbers were lower than expected by the economists. The used car prices were driving the inflation slowdown from September 2022 to October 2022, which had dropped for a fourth consecutive month, and the prices for medical care and clothing were also down. The increase in the food prices were also slowed, and energy prices rebounded in October 2022 after having declined in August 2022 and September 2022.

With tentative easing of inflation, the Federal Reserve is expected to keep increasing interest rates to stop high price increases. Paul Ashworth, chief economist at Capital Economics for North America, said that they expect this to market the beginning of a long non-inflationary trend, which they think will convince the Federal Reserve to stop hikes early next year. Paul Ashworth added that with supply shortages getting normal, the pressure for deflation is now showing up.

Study reveals that consuming ground coffee can reduce the risk of death by 27%


“Caffeine is the most famous constituent of coffee, but the beverage contains more than 100 biologically active components,” they noted.

A study by the Baker Heart and Diabetes Institute in Australia, led by Professor Peter Kistler, suggests that coffee consumption could be considered part of a healthy lifestyle, and that drinking two to three cups of the ground product generates 27% less probability of death over people who do not consume the drink.

“Caffeine is the most famous constituent of coffee, but the beverage contains more than 100 biologically active components,” the professor commented on some of his research results.

The main result obtained is that the recommended amount of consumption is between two and three cups a day, a point that generates the greatest reduction in risk of death and also found that the probability falls 14% and 11% with decaffeinated and instant coffees.

The research was carried out together with a questionnaire answered by 449,563 people, with the purpose of finding out the cups of coffee they usually consume, and then divided into six different groups based on their answers; those who do not, those who drink less than one, one, between two or three, between four or five and those who drink more than five.

Specifically against cardiovascular diseases, the research found that consumers of decaffeinated, ground and instant coffee have reduced the possibility of suffering from this type of pathology by 6%, 20% and 9%, respectively. Clarifying point that decreases when people who take amounts above four cups.