/u/RusticBohemian's posts in /r/askscience

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The "Green Sahara," period ended 5,000 years ago when changes in the West African monsoon season dried out the area. How much of this was driven by expanding agriculture and the resulting deforestation?

1401 upvotes

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How does the nutritional content of aquaponically grown produce differ from traditionally-farmed food, if at all?

59 upvotes

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Are modern farms in the US now "soil stable," or do we still lose more topsoil per year than we build?

35 upvotes

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Does the Quadrantid meteor shower get noticeably smaller each year because more and more of it gets burnt up in Earth's atmosphere?

9 upvotes

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Were there more forests in Western Texas, Nevada, and Arizona before Europeans arrived, or has the landscape stayed pretty much the same?

7 upvotes

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How do 95% confidence intervals work in nutritional studies?

4 upvotes

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Do some kinds of carbohydrates become utilizable for exercise quicker than others?

3 upvotes

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How effective is sunlight as a disinfectant?

2 upvotes

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Does pressure cooking reduce bioavailable sulforaphane less than boiling and steaming?

2 upvotes

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Can average people safely replicate herbal nutraceuticals at a cheaper price?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
The "Green Sahara," period ended 5,000 years ago when changes in the West African monsoon season dried out the area. How much of this was driven by expanding agriculture and the resulting deforestation?	1401
How does the nutritional content of aquaponically grown produce differ from traditionally-farmed food, if at all?	59
Are modern farms in the US now "soil stable," or do we still lose more topsoil per year than we build?	35
Does the Quadrantid meteor shower get noticeably smaller each year because more and more of it gets burnt up in Earth's atmosphere?	9
Were there more forests in Western Texas, Nevada, and Arizona before Europeans arrived, or has the landscape stayed pretty much the same?	7
How do 95% confidence intervals work in nutritional studies?	4
Do some kinds of carbohydrates become utilizable for exercise quicker than others?	3
How effective is sunlight as a disinfectant?	2
Does pressure cooking reduce bioavailable sulforaphane less than boiling and steaming?	2
Can average people safely replicate herbal nutraceuticals at a cheaper price?	1