পৃথিবীর সবচেয়ে নিচু অঞ্চল (Lowest point of the World):
By Tamanna, ~ 28 October 2021, Evening 6:27 Minitue

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সান্দ্রতা (Viscosity):
By Tamanna, ~ 28 October 2021, Evening 6:26 Minitue

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দলবদ্ধভাবে বসবাস (Colonies):
By Tamanna, ~ 28 October 2021, Evening 6:24 Minitue

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দিক নির্নয় (Finding Direction)
By Tamanna, ~ 28 October 2021, Evening 6:23 Minitue

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বুকের দুধ খাওয়ানো (Breast Feeding):
By Tamanna, ~ 28 October 2021, Evening 6:22 Minitue

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পাহাড়ের ভিন্ন ভিন্ন রঙ (Various colour of Mountains):
By Tamanna, ~ 28 October 2021, Evening 6:20 Minitue

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পশুপাখির ভাষা (Animals’ language):
By Tamanna, ~ 28 October 2021, Evening 6:14 Minitue

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মৌলিক সংখ্যা (Prime Number)
By Tamanna, ~ 28 October 2021, Midnight 02:59 Minitue

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প্রতিপ্রভা (fluorescence)
By Tamanna, ~ 28 October 2021, Midnight 02:31 Minitue

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হাড়(Bones)
By Tamanna, ~ 28 October 2021, Midnight 02:28 Minitue

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অনু (Atoms)
By Tamanna, ~ 28 October 2021, Midnight 02:26 Minitue

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চোখের তারা (Eye Pupil)
By Tamanna, ~ 28 October 2021, Midnight 02:14 Minitue

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রিলেশনাল আলজেব্রা (Relational Alzebra)
By Tamanna, ~ 28 October 2021, Midnight 01:40 Minitue

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১৯ ভিত্তিক গণনা পদ্ধতি (Base-19)
By Tamanna, ~ 27 October 2021, Night 11:08 Minitue

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অনেকগুলো নক্ষত্রের সৌরজগৎ (Multi-Star System)
By Tamanna, ~ 27 October 2021, Night 11:01 Minitue

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পাথরের ফাটল (Rocks Crack)
By Tamanna, ~ 27 October 2021, Night 10:49 Minitue

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হাইপোক্সিয়া (Hypoxia)
By Tamanna, ~ 27 October 2021, Night 10:41 Minitue

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সময়ের দৈর্ঘবৃদ্ধি (Times getting longer)
By Tamanna, ~ 27 October 2021, Night 9:33 Minitue

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পূর্নিমা (Full Moon)
By Tamanna, ~ 27 October 2021, Night 9:16 Minitue

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কাজ (Work)
By Tamanna, ~ 27 October 2021, Night 8:55 Minitue

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