Welcome to the 50th Daily Field Note! Here you find the top post of the day, one covering each scientific field that is included by Geopolis. Since these authors put a lot of effort in writing a good post they surely deserve the extra exposure.
Geopolis is a project to promote and connect authors who write in the fields of global sciences. You can read more about the project and how to join here:
https://steemit.com/geopolis/@geopolis/geopolis-the-community-for-global-sciences-update-4
Your post can get reviewed by using the community tag #geopolis, or one of the following tags: #Geography - #Geology - #Ecology - #Archeology - #Anthropology - #History
Science quote of the day:
Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. ~Albert Einstein
Geology: The Age of the Earth: A historical development
Humanity has been on this planet for quite a while, and for a long period we have been wondering for how long our globe has been in existence and how it came to be. This makes that there have been a variety of hypotheses on the matter. Here we see a development on the ideas on the age of the Earth.
People have always known that the Earth must be incredibly old. But how old exactly had been a debate lasting centuries. Over the course of history, multiple attempts have been made to correctly estimate the exact age of our planet. Today the field of provides us with a powerful tool to date the age of rocks, but earlier in history different approaches have been made.
The first estimate on the age of the Earth was made by the Irish bishop in 1654. Using biblical resources he calculated the date of the Creation to have been nightfall on 22 October 4004 BC. In the 18th century geologists, the ‘father of modern geology...
History: Pictures I took of the historic Minnesota River Valley.
I really like the concept of photography and a story because it brings scientific and historical topics in an interesting and nice to read manner. Here we get to know more about the history of the Minnesota River Vally through a hike in the area.
I took a little hike on this beautiful afternoon by the Minnesota River just outside Shakopee, MN where I decided to take a few pictures. The Minnesota River valley was seeing a major influx of settlers from the east taking advantage of the Homestead Act. The American government implemented treaties so the settlers would not be interfered by the natives, but the treaties were always broken. What later ensued was the Dakota/Sioux Uprising, where the Dakota and Sioux tribes went to war with the US. During that time the Civil War was in full swing. The sitting governor of Minnesota, Alexander Ramsey, help back two regiments of the Minnesota Militia from the fighting the Confederates ...
This was todays selection of post. Make sure to check out other authors and upvote this post to support the project!
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