NOVA — S44E06 — Treasures of the Earth: Metals

00:00:02 NARRATOR: Gemstones, precious metals, and power

00:02:57 WOMAN: There's nothing more beautiful than gold, nothing in the world

00:05:16 NARRATOR: Today, Muller is observing

00:07:22 the gold masterpieces from 2400 BC

00:09:27 were created in the collision of two neutron stars

00:11:39 It says that my hand is 84 degrees Fahrenheit,

00:13:48 as the edges of the flames turn emerald green

00:15:53 But they also discovered it has another surprising quality

00:17:54 the copper in the screen on the right turns black

00:20:08 But the qualities that make copper

00:22:00 of how bronze transformed the nature of warfare

00:24:13 There were droplets of blood coming from my wound

00:26:53 and can then come back and go forward

00:29:32 with the more powerful blast furnace

00:31:49 NARRATOR: Discarded after a repair

00:33:43 for building high

00:36:51 NARRATOR: The bowl of the stadium, made primarily of concrete,

00:39:32 NARRATOR: Veena Sahajwalla has developed a way

00:41:41 Guess what?

00:43:40 is the only thing we can do

00:45:50 and rises to the surface

00:47:42 are fascinated with a newly discovered treasure,

00:49:58 more hexagons take shape

00:52:17 faster than anything that came before