Original title: The Most Horrifying Parasites!
This has got to be the most precise way of understanding how a child is born
What if the Sun were to be replaced by the other stars, like Alpha Centauri, Sirius, Arcturus, Vega, or even Polaris? Incredible Roscosmos (Russian Federal Space Agency) video shows this alternative...
The beauty of the "Golden ratio"
This is our known universe
It can't get much bigger than that... can it?
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