The 21st Century Brain Guide to Smarter Thinking in the Age of AI Introduction: A changing world and the human brain The world is changing fast because of artificial intelligence and new technology. Many people feel overwhelmed and wish they could upgrade their thinking ability to keep up. Our brains have not changed much since ancient humans. In fact, research suggests that human brains may have become slightly smaller over the last ten thousand years. Even so, the brain still has strong potential to adapt and grow with the right habits. Why neuroscience matters in the AI age AI systems are built using ideas from neuroscience. Scientists studied how the brain works and used that knowledge to create modern intelligent systems. Now researchers are looking back at the brain to understand how humans can improve thinking skills. This creates a two way connection between technology and biology that can help people strengthen decision making and creativity. Hannah Critchlow and the idea of mental flexibility Neuroscientist Hannah Critchlow from the University of Cambridge explores this idea in her book The 21st Century Brain. She focuses on the mental skills people need to succeed in a world shaped by AI. She explains that she wrote the book for personal growth as well. She also wrote it to help older generations keep their minds active and to support children in developing strong thinking abilities early in life. Critchlow highlights mental flexibility as one of the most important skills for the future. It helps people adjust to change, solve problems, and make better decisions in uncertain situations. Flipping the idea of intelligence and AI Critchlow suggests a simple shift in thinking. Instead of only focusing on how AI is changing society, people should also focus on how neuroscience can improve human thinking. AI comes from studying the brain, but humans can also learn from AI development. This approach can help people unlock stronger cognitive abilities and use their natural intelligence more effectively. How to future proof your brain Simple lifestyle choices can support brain health and creativity. Spending time in nature, for example, can improve focus and help new ideas form more easily. Learning new skills, staying curious, and practicing flexible thinking can also support long term brain health. These habits help the mind adapt to rapid changes in technology and society.
Information TechnologyTechnology

The 21st Century Brain Guide to Smarter Thinking in the Age of AI

A changing world and the human brain The world is changing fast…

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US troop moves raise questions across Europe US Secretary of State Marco Rubio has moved to calm concerns among allies after several shifting decisions on US troop deployments in Europe created confusion inside the alliance. The changes followed remarks by US President Donald Trump, who said the United States would send an additional 5,000 troops to Poland. This came shortly after a planned deployment of 4,000 troops to Poland was cancelled. At the same time, Washington also announced plans to reduce troop levels in Germany, which added to uncertainty among European allies. NATO allies react to mixed signals The series of announcements came as defence ministers from NATO met in Sweden. Officials described the situation as unclear and difficult to follow. Swedish Foreign Minister Maria Malmer Stenergard said the shifting updates were hard for allies to interpret, especially given how quickly the decisions changed. Rubio says troop levels are under review Rubio said the United States regularly reviews its military presence abroad. He explained that troop adjustments are part of broader global defence planning. He also said coordination with allies is ongoing, and that changes in Europe should not be seen as sudden or unplanned. According to Rubio, US forces are also active in the Middle East due to rising tensions involving Iran and related regional conflicts. Poland deployment announcement adds uncertainty The latest confusion grew after Trump announced the new troop deployment to Poland while NATO talks were still underway in Sweden. Trump linked the decision to his relationship with Polish President Karol Nawrocki, a long time supporter of his policies. The US Department of Defense had earlier paused the planned deployment of 4,000 troops to Poland, without clear explanation. Germany withdrawal decision adds to tensions Earlier in the month, Washington also confirmed plans to withdraw 5,000 troops from Germany. The decision followed political disagreements between Trump and German Chancellor Friedrich Merz over the conflict involving Iran. Officials have not clarified whether the troops being sent to Poland are part of those withdrawn from Germany or a separate force. NATO response and coordination efforts Despite the confusion, Rubio said the United States remains committed to NATO coordination. He stressed that changes in troop placement are being managed alongside allied governments. He added that the overall presence of US forces in Europe is being adjusted based on global security needs and current military priorities.
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Rubio reassures allies as US adjusts troop deployments in Europe

US troop moves raise questions across Europe US Secretary of State Marco…

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Rubio Calls Cuba a Threat as Havana Rejects US Claims US and Cuba Exchange Strong Statements Marco Rubio has described Cuba as a “national security threat” to the United States, while Cuban officials strongly denied the accusation and called the remarks misleading. Rubio made the comments before traveling to a NATO meeting in Sweden. His statement came shortly after the US government charged former Cuban president Raúl Castro with murder over the 1996 incident in which two planes were shot down, killing several US citizens. The US secretary of state said Washington still prefers a diplomatic solution with Cuba. However, he admitted that reaching a peaceful agreement may be difficult under the current leadership in Havana. Cuba Rejects Terrorism Accusations Cuban Foreign Minister Bruno Rodríguez quickly rejected Rubio’s comments. He said Cuba has never threatened the United States and accused US officials of spreading false information. Rodríguez also denied claims that Cuba supports terrorism in the region. In a statement shared on social media, he accused Washington of increasing pressure on the island and encouraging hostility against the Cuban government. Tensions between both countries have grown in recent months as the Trump administration pushes for political and economic reforms in Cuba. Economic Pressure Increases on Cuba Cuba continues to face serious economic problems, including fuel shortages, food scarcity, and long electricity blackouts. Many experts believe US sanctions and restrictions on oil supplies have made the crisis worse. According to Rubio, Cuba has already accepted a $100 million humanitarian aid package from the United States. At the same time, the US government continues to pressure Havana for major reforms. American officials reportedly want Cuba to allow more foreign investment and reduce the influence of Russian and Chinese intelligence agencies operating on the island. Questions Grow Over Raúl Castro Charges The indictment against Raúl Castro has increased concerns about future US actions toward Cuba. Some political analysts compared the situation to earlier US pressure campaigns against Venezuela and its president, Nicolás Maduro. When reporters asked Rubio whether the US planned to bring Castro to America for trial, he avoided giving direct details. He stated that he would not publicly discuss any possible plans regarding the case.
PoliticsUnited States

Rubio Calls Cuba a Threat as Havana Rejects US Claims

US and Cuba Exchange Strong Statements Marco Rubio has described Cuba as…

UK Net Migration Falls Sharply to 171,000 as Policy Tightens and Asylum Claims Drop Net migration hits lowest level in years Net migration in the United Kingdom has dropped to around 171,000 in the latest figures, according to Home Office data. This is nearly half the level recorded in 2024 and the lowest seen since 2012, excluding the pandemic years. Officials link the fall mainly to fewer arrivals from outside the European Union, especially for work and study. Fewer people are also coming to the country overall compared with recent years. Asylum claims remain high despite decline Asylum applications also fell slightly. About 93,525 people claimed asylum in the UK in the year to March 2026, which is 12% lower than the previous year. Even with this drop, the number is still more than double the pre pandemic level, showing that pressure on the asylum system remains high. Government response and political debate Prime Minister Sir Keir Starmer said the latest data shows progress but stressed that more action is needed. He said the government is building a skills based migration system designed to reduce dependence on overseas labour and focus on contribution. Home Secretary Shabana Mahmood said the figures reflect efforts to bring “order and control” to the borders. In contrast, opposition figures argued that stronger action is still required. Policy changes shaping migration trends Several policy changes introduced in 2024 and continued by the current government have played a major role in reducing migration.
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UK Net Migration Falls Sharply to 171,000 as Policy Tightens and Asylum Claims Drop

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