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25 strangest scientific theories ever proposed

Explore the 25 strangest scientific theories ever proposed, from phlogiston to the hollow Earth. Discover how bizarre ideas ...

There Are Thousands of Inventions the Government Doesn’t Want You to See. A Shady Law Is Hiding Them.

A Cold War-era law called the Invention Secrecy Act of 1951 allows U.S. government agencies to suppress patents deemed ...