YouTube description In 1800s, miners began working in exposed deposits of mud near the town of Messel, Germany. They were extracting oil from the rock and along with the oil, they found beautifully... continue reading
posted by Aard Vark (oritteropo) 5 years 9 months 1 week ago • 521 views • 8:34search results matching tag: minerals
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At the old hut site (the new one being temporarily cut off by flooding) I made lime mortar from the shells of rainforest snails by firing them in a kiln, slaking them in water, mixing them into lime putty.... continue reading
posted by Mordhaus 6 years 1 month 2 weeks ago • 406 views • 7:08On the Indonesian island of Java, men mine sulphur from inside Ljen Volcano. It's crater is filled with a mix of highly toxic gases, that have claimed the lives of over 70 miners in the last 40 years.
posted by Mordhaus 6 years 12 months ago • 24 views • 2:52"Exercising stimulates bone remodeling and ultimately bone strength." uhoh YouTube: Today Hank explains the skeletal system and why astronauts Scott Kelly and Mikhail Kornienko are out in space studying... continue reading
posted by PlayhousePals 8 years 11 months 1 week ago • 31 views • 10:38- 1