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0:41 play_arrow History: The Day Penicillin is Discovered Life-Science visibility 4.4K schedule 3 سال پیش favorite
0:59 play_arrow Fascinating Fall Facts You Need to Know Life-Science visibility 4.3K schedule 3 سال پیش favorite
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1:21 play_arrow A New Planet As Big as Jupiter Discovered by 'Citizen Scientists' Life-Science visibility 4.3K schedule 4 سال پیش favorite
1:27 play_arrow Perfectly-Preserved Fossilized Baby Dinosaur Found in Egg Life-Science visibility 4.2K schedule 4 سال پیش favorite
1:28 play_arrow Historic Discovery Finds 'Significant' Amounts of Water Under Mars' Surface Life-Science visibility 4.1K schedule 4 سال پیش favorite
0:48 play_arrow The Day a German Scientist Discovered X-Rays Life-Science visibility 4.4K schedule 4 سال پیش favorite
0:45 play_arrow The Day They Completed The Washington Monument Life-Science visibility 4.3K schedule 4 سال پیش favorite
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1:37 play_arrow 7 Facts You Didn't Know About Bastille Day Life-Science visibility 4.3K schedule 4 سال پیش favorite
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