Many of the programs in this list were not originally produced for PBS, but were acquired from other sources such as the BBC. Re-narrated Horizon episode, first aired in the UK in IMDb considers the first 9 episodes of this table to belong to the previous season and has the "No. IMDb considers the first 7 episodes of this table to belong to the previous season and has the "No. Future Seasons "Spirit of St.
New technique provides accurate dating of ancient skeletons -- ScienceDaily
Lake Turkana has a geologic history that favored the preservation of fossils. Scientists suggest that the lake as it appears today has only been around for the past , years. The current environment around Lake Turkana is very dry. Over the course of time, though, the area has seen many changes.
To find the years that have elapsed from how much Carbon 14 remains, type in the C percent and click on Calculate. Chapter 4: What about carbon dating? Most people find the subject of radiometric dating too technical to understand.