بعد إصابة مصطفي فهمي ..علامات تنذر بهذا المرض وعلاجه ومدة التعايش - Sada El-Bald صدى البلد



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Fastest spacecraft ever built to break its own speed record - Big Think
Discovery of 3,775-year-old preserved log supports 'wood vaulting' as a climate solution - Phys.org

There's a rare fish in the Red Sea that looks like a guitar – and it may soon be lost forever - BBC Discover Wildlife
China’s astronauts are aiming to land on the moon by 2030. They now have a new spacesuit to do it - CNN