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One man cracked his knuckles in one hand for 60 years and not the other. Watch the video to see what...
3 years ago 21403643 views
How solar and lunar eclipses work. Note: This is an update of a video we published in 2015. Sources:...
2 months ago 3427005 views
They're not just an animal, they're a material. And that's got engineers interested. // Subscribe to...
2 months ago 1047617 views
What happens in a college admissions office? Check out more awesome BuzzFeedBlue videos! http://bit....
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The Hubble Deep Field, explained by the man who made it happen. Subscribe to our channel! http://goo...
1 year ago 1336594 views
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