/u/K931SAR's posts

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A friend photographed a huge "smoke ring" in the sky over Portland OR this morning (photo inside). Can anyone shed light on what might have caused it?

652 upvotes • r/askscience

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As requested, I am a certified search and rescue K9 Handler, and trainer of scent detection dogs AMA

89 upvotes • r/IAmA

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IAmA Trainer of K9's for Search and Rescue and other types of scent detection, AMA

19 upvotes • r/IAmA

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IAmA certified Human Remains Detection (HRD) K9 Handler - AMA...

10 upvotes • r/IAmA

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Is the caffeine content of cold-brewed coffee different from that of hot-brewed?

5 upvotes • r/askscience

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Is there any truth to the old tale that odors resulting from bacteria on clothes are better reduced by hanging outdoors than be machine drying?

2 upvotes • r/askscience

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Aluminum foil, baking soda, salt, dish detergent and water jewelry cleaning recipe - what does the aluminum foil do in this context?

2 upvotes • r/askscience

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
A friend photographed a huge "smoke ring" in the sky over Portland OR this morning (photo inside). Can anyone shed light on what might have caused it?	652	askscience
As requested, I am a certified search and rescue K9 Handler, and trainer of scent detection dogs AMA	89	IAmA
IAmA Trainer of K9's for Search and Rescue and other types of scent detection, AMA	19	IAmA
IAmA certified Human Remains Detection (HRD) K9 Handler - AMA...	10	IAmA
Is the caffeine content of cold-brewed coffee different from that of hot-brewed?	5	askscience
Is there any truth to the old tale that odors resulting from bacteria on clothes are better reduced by hanging outdoors than be machine drying?	2	askscience
Aluminum foil, baking soda, salt, dish detergent and water jewelry cleaning recipe - what does the aluminum foil do in this context?	2	askscience