الماس امید، بزرگترین و مشهورترین الماس آبی جهان، با وزن ۴۵.۵۲ قیراط، در موزه اسمیتسونیان آمریکا نگهداری...
روز: بهمن ۸, ۱۴۰۴
برای دههها، دانشمندان و محققین مغز فقط به نیمی از سلولهای مغز، یعنی نورونها، توجه میکردند. دانشمندان...
۲۶ مهر ۱۴۰۵
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