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by YK
Science علوم
10206 views

اهدای بالاترین نشان افتخار به یک ایرانی آمریکایی-National medals of science & Technology
by ava
Science علوم
9415 views

گفتگوی استیون هاوکینگ و ریچارد داوکینز
by life
Science علوم
8358 views

Sharif University
by life
Science علوم
8932 views

Space monkey: New pictures of monkey Iran sent into space
by shohreh
Science علوم
9660 views

Planets for Children
by sairis
Science علوم
8099 views

Newton's Laws of Motion and Forces
by rostam
Science علوم
7294 views

Dr. Firouz Naderi - Profiles of Iranian Americans
by YK
Science علوم
10794 views

Black Holes - What Are They?
by wasp25
Science علوم
6223 views

Death Of The Sun
by wasp25
Science علوم
9128 views

Professor Mahmoud Hessabi
by parsusr
Science علوم
9632 views

Homo Sapiens: The Birth of Humanity
by wasp25
Science علوم
8750 views

Magnets: How Do They Work?
by wasp25
Science علوم
7168 views

The Baby In The Womb
by life
Science علوم
10486 views

Interesting facts about Space, Gravity and Sun
by vicury
Science علوم
9926 views

علمی
by فاطمه ارمندپیشه
Science علوم
6272 views

کیهان شناسی به زبان ساده 1
by life
Science علوم
7553 views

How Large is the Universe?
by wasp25
Science علوم
6510 views

کیهان شناسی 3
by life
Science علوم
8246 views

Birth of the Earth
by wasp25
Science علوم
12488 views