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GAMES & PUZZLES

Elements on the Periodic Table

Can you name the chemical element by symbol?

Air & Space Magazine

The Forgotten Sport of Balloon Jumping

Two Centuries After This Bronze Leg Emerged From a Scottish Bog, Archaeologists Believe It May Have Belonged to a Towering Statue of a Roman Emperor on Horseback

German Renaissance Master Albrecht Altdorfer Pioneered Landscape Painting. A Work Previously Unknown to Scholars Just Emerged After 70 Years in a Private Collection

This Mysterious Combination Lock Sank in a 1583 Shipwreck. When Engineers Cracked the Code, It Clicked Open for the First Time in More Than 400 Years

At the Smithsonian

The National Portrait Gallery Wasn’t Allowed to Acquire Photographs When It Opened in 1968. Fifty Years Later, the Smithsonian Museum’s Collection Has Grown to 11,000 Photos and Counting