Our Observable Universe | How the Universe Works

If Aliens Invaded Earth | Alien Encounters (Full Episode)

If Aliens Ever Arrived on Earth | Alien Encounters (Full Episode)

Original content: History of the universe: Where is everything in the universe going? https://www.youtube.com/watch?v=5mDn2oq9OV8&t=12s Content shown here for educational purposes only and under fair use. Imagine a structure of a hundred thousand galaxies stretching over five hundred million light years. Four superclusters heading to one destination. It's a construction billions of years in the making, set to complete in hundreds of billions more: The Great Attractor. #GreatAttractor #Galaxies #

Linus Pauling | One of very few to win two unshared Nobel prizes, did very important work in all sciences. Quantum chemistry, chemical bonding, protein structure, and molecular medicine. Although in his later life he did get kind of attached to vitamin C which is so unlike him. #science #edits #nobel #chemistry #biology

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40 Science Experiments - Experiments You Can Do at Home Compilation by Inventor 101

20 AMAZING SCIENCE EXPERIMENTS Compilation At Home