Author J K Rowling wrote the final chapter of the last Harry Potter book in "something like 1990", seven years before the release of the first book.
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Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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In 1963, the US Military created an artificial ring around Earth, similar to that of the planet Saturn. The ring was made of copper needles and was used for worldwide communications in the case that the Soviets disabled all other methods of communication.
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When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
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