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

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Germans believe that cold air makes them sick and walking barefoot on cold floors gives them kidney problems. Can anybody help?

2 upvotes

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How can you grow own bacteria in a petri dish at home?

1 upvotes

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Why are traffic lights red and green when red/green colour blindness is so common?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Germans believe that cold air makes them sick and walking barefoot on cold floors gives them kidney problems. Can anybody help?	2
How can you grow own bacteria in a petri dish at home?	1
Why are traffic lights red and green when red/green colour blindness is so common?	1