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US dollar52.30EGPEuro58.94EGPBritish pound69.08EGPSaudi riyal13.95EGPUAE dirham14.24EGPKuwaiti dinar169.47EGPJordanian dinar73.77EGPQatari riyal14.37EGPTurkish lira1.06EGPChinese yuan7.79EGPGold 246,964.45EGP/gGold 216,093.89EGP/gGold 185,223.34EGP/gSilver101.77EGP/g

Science & Tech

خبايا حاسة التذوق.. بعد الحلو والمالح والمرّ، كم مذاقا تم اكتشافه حتى الآن؟

By فرانس 24 · 9 hours ago · 1 min read فرانس 24 ↗

خبايا حاسة التذوق.. بعد الحلو والمالح والمرّ، كم مذاقا تم اكتشافه حتى الآن؟

قد يبدو التذوق حاسة بسيطة : حلو، مالح، مر أو حامض. لكن خلف هذه الأحاسيس منظومة دقيقة من الخلايا والمستقبلات والإشارات العصبية. ومع اكتشاف “الأومامي”، ثم تراكم الأدلة على قدرة الفم على الكشف عن بعض الأحماض الدهنية، اتسعت أسئلة العلماء حول عدد المذاقات الأساسية. فهل يكون “أوليُوغوستوس” هو المذاق السادس؟ ولماذا تطورت لدينا هذه القدرة أصلاً؟ كلها أسئلة ستكون حاضرة في “عيد العلم” المُنظم في فرنسا منذ 35 عاما والذي اختارهذه السنة شعار”الأذواق العالمة”.

المصدر: فرانس 24

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