Welcome to the tenth 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.
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History: Painting Barns, Why are Barns Traditionally Painted Red?
It never crossed my mind, but every old school barn I can picture in my head is red. You want to know why this is? read 
I wrote a post earlier today about treating wood used to build vegetable garden planters, and in my post I had mentioned beeswax and milk paint. Milk Paint has been around for centuries, it was even found in Tutankhamen's tomb when it was opening in 1924. This post will reveal what farmers did way back in the day when building their Barns and why, they seem to traditionally are red.
Geology: My first step into this new world
Today's geology post is about 
nice to be here. i am feeling like a little puppy. enthusiastic but have to learn how to behave. a world full of possibilities but no idea which way to go.
it was 6 months ago when i started my first serious trade in cryptocurrencies. that moment was the start of something beautiful. because i make my decisions based on my own investigations i started to read all information about interesting coins. i began to see it in a bigger perspective and then i realized myself that cryptocurrencies could drastically change our world in a positive way.
Geography: Some oldest cities in India.
Gwalior is one of the oldest cities in India. There are some carvings found in Pawaya. According to this kushanas reigned this city till third century AD. Many dynasties ruled the city, the Guptas till 467 AD, the Kannauh of Gurar Pratihara during 5th century. Many came till Maratha ruled the city. And follwed by Maratha Mughals ruled the city in 1730. The interesting thing in the history of Gwalior is Rani Laxmibai of Jhansi fought when the city was attacked by British. Read history about Rani Laxmibai of Jhansi, it's very interesting. The fort shown in above image was founded by Maharaj Suraj Sen. It has seen many rulers, from the Tomar to the Gujars to the Marathas to the British.
Ecology: Ecology #2 [ the interaction of organisms with the environment ] Did you know about the science of ecology..?
In his second post on ecology 
The environment is the unity of space with all things, power, circumstances, and living things, including humans, and their behavior, which affects the viability of life and the well-being of human beings and other living beings and can affect their lives.
Anthropology: Culture, Social life and Sociocultural systems - Part 1: Introduction
And 
How do humans develop sociocultural systems or culture?
How do humans meet the challenges of survival?
...These questions are intended to focus our attention on the fact that human adaptation has become mainly cultural and not biological, and that different aspects (parts) of culture, that is, the various sociocultural systems, are more specific responses to the demands of living (and living together) and that they thus fulfill particular functions.
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