لطفا توجه داشته باشید که اگر زیر 18 سال دارید، نمی توانید به این سایت دسترسی پیدا کنید.
Astronomer Carl Sagan on children and their curious questions
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From the science of the modern world and the wisdom of the ancients comes a time-map that holds details of every major event of the past 3,000 years. Gregg Braden
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Grammy 2023. No question! Sponsored by Pfizer.
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This school cheers on an awesome student 👏
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California
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Tubing
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