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With the International Space Station set for retirement, NASA is betting on private companies to build its replacements. Here's how commercial space stations work and what the transition means for humanity's future in orbit.
Culture
Political house arrest confines dissidents and rivals to their homes instead of prison cells, giving governments a tool that silences opposition while...
Health
CAR T-cell therapy reprograms a patient's own immune cells to hunt and destroy cancer. Here's how the process works, what it costs, and why scientists...
Technology
Knowledge distillation lets smaller AI models learn from larger ones by mimicking their outputs rather than retraining from scratch. The technique has...
Technology
Rotating detonation engines harness continuous supersonic explosions in a ring-shaped chamber to generate thrust far more efficiently than conventiona...
Culture
The World Press Freedom Index, published annually by Reporters Without Borders since 2002, ranks 180 countries on a 0–100 scale across five indicators...
Economy
The EU accession process requires candidate countries to meet strict democratic and economic criteria, negotiate 35 policy chapters, and win unanimous...
Science
Scientists strip donor organs of their cells, rebuild them with a patient's own tissue, and implant them without immunosuppression. Here is how the de...
Technology
Governments use tiered threat level systems to communicate the likelihood of terrorist attacks. Here's how the UK, US, France, and Australia assess an...
Science
The IAU's 2006 definition of a planet stripped Pluto of its status by adding an orbit-clearing criterion, igniting a debate between dynamicists and ge...
Economy
A general strike pulls workers from every industry off the job at once, paralyzing cities or entire countries. Here is how they are organized, why the...
Health
NDMA is a probable human carcinogen found in drinking water, processed foods, and recalled medications like Zantac. Here is how it forms, why it is da...
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