Origins

Mbuti Pygmies wading in Congo rainforest feeder stream

Mbuti Pygmies with hunting nets

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http://www.michie.net/pnginfo/bilums.html

Papuan women with net bags (bilum, noken) making fire

Papuan women carrying baby in net bag

Sago palm flour oldest pancakes of Papua

Sago palm pith pounding with proto-adze (origin of dugout canoe)

Ancient Papuan Highland stocking cap? (cf Venus figurine)

Papuan Yali Pygmy

Melanesian blonde woman with net bag

Classifying Language Roots

Simplified table from Merritt Ruhlen's Origin of Language

Update on Bio-Char / Terra Prieta soil improvement method

http://onlinelibrary.wiley.com/wol1/doi/10.1002/fee.1226/full
My comment: "...converts nutrient-poor rainforest soil into fertile farmland" (from link)...

Unfortunately this usually results in loss of rainforest and production of extremely poor variety of cultivated crops, many of which are inedible.

Rainforests are extremely efficient nutrient recycling systems, most nutrients are above one's head.


Rainforest soils tend to be very poor, most of the minerals are in the plants, not underground.


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https://archaeologynewsnetwork.blogspot.com/2016/06/700-year-old-fertile-soil-technique.html#29dHO2t2ghQJAPvF.97

Roots of Language Families

from M Ruhlen, table of language family roots (simplified)
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Match up roots to families [English at top], identify A - F are which family below:



Dravidian, Nilo-Saharan, Niger-Kordofanian(Bantu), KhoiSan, AmerInd, Afro-Asiatic

3 Foresters/Arborists/Penghutanan you should know:

Patrick Matthew/Scotland: Described Theory of Natural Selection for Charles Darwin

https://en.wikipedia.org/wiki/Patrick_Matthew  &  http://www.hughdower.com/guilty.html

Joseph Monier/France: transplanted trees by inventing metal-reinforced concrete https://en.wikipedia.org/wiki/Joseph_Monier





Karl Drais/Germany: transited through forests by inventing the bicycle
https://en.wikipedia.org/wiki/Karl_Drais