This episode of Horizon examines 20 years of research which has led to a new theory on how the earth's crust was made.
- Poor
- Nothing special
- Worth watching
- Pretty cool
- Awesome
- Aired Feb 25, 1991
- Episode 1991x08
- Show special No
Activity
- Gilles124 is following Horizon. Dec 10, 2022
- goldalchemist is following Horizon. Mar 06, 2018
- luc23 is following Horizon. Jan 02, 2017
- aquilax stopped following Horizon. Sep 15, 2016
- footballdavid is following Horizon. Mar 23, 2016
- waseemahmadmeer is following Horizon. Feb 17, 2016
- Sarkasper is following Horizon. Aug 03, 2015
- ekolb is following Horizon. Jun 03, 2015
- saikowe is following Horizon. Mar 14, 2015
- evoken88 is following Horizon. Dec 30, 2014
Followers (37)
-
Gilles124 last seen 22 hours ago
-
goldalchemist last seen Aug 10, 2022
-
luc23 last seen Jan 02, 2017 -
footballdavid last seen Sep 11, 2024 -
waseemahmadmeer last seen Jul 10, 2018
Comments