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1:41
Analyzing the style and shape of hieroglyphs can shed light on the ancient artists' lives.
1:58
A collector talks his love of dinosaurs and shows off the displays in his home.
2:23
The original buyer and seller of “Big John” discuss their feelings about the sale.
1:26
Eiffel’s use of iron to build his tower represented a radical architectural shift.
1:34
Gustave Eiffel had a lengthy résumé before he built his namesake tower.
1:39
After excavating its remains, scientists see what the Iznik basilica may have looked like.
1:28
Scientists explore the underwater ruins of a 4th-century basilica.
2:15
Fragments of manmade artifacts found at Althorp may point to an Iron Age settlement.
2:21
Are the bones at Craven Street connected to William Hewson?
2:37
Watch how the shortage of human cadavers turned anatomists to the criminal underworld.
3:23
Franklin was curious about the world and he operated in it as a gentlemanly scientist.
4:12
The parachute is one of many inventions attributed to Leonardo but he did not invent it.
