Everyone knows Yuri Gagarin as the first person to go to space. But was he? Physicist Vladimir Brljak tells the tale of the intrepid balloonists who first flew beyond the blue terrestrial sky, challen ...
Preventing persistent inflammation in the gut, lungs and skin might lower your risk of Alzheimer's disease – here's six ways ...
Five multiple-choice questions – set by children – to test your knowledge, and a chance to submit your own junior brainteasers for future quizzes ...
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