Meet The World’s Biggest Teddy Bear: The title of the world’s biggest teddy bear belongs to a jaw-dropping giant created in Mexico, officially recognised for its record-breaking size. This massive ...

The 1.2 million-pound train still has a few stops left on its first coast-to-coast tour. By Laura Baisas Published Jul 14, 2026 3:01 PM EDT Add Popular Science (opens in a new tab) More information ...

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Some of the most extraordinary gems ever found belong to a rare class of diamonds known as CLIPPIRs (Cullinan-like, Large, Inclusion-Poor, Pure, Irregular, Resorbed). They make up less than 1% of all ...