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

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Science teacher - struggling with some concepts around rolling balls. Help?

182 upvotes

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How valid is the concern over arsenic in pressure-treated lumber?

18 upvotes

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How scientifically accurate is this list of foods to avoid? (Includes canned tomatoes, microwave popcorn, farmed salmon, and several more)

12 upvotes

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Can someone explain the chemistry of homemade cornstarch-based playdough?

6 upvotes

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Why do CDs tend to skip more toward the end of the disc compared to the beginning?

3 upvotes

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Cleaning with baking soda & vinegar - am I missing something, or does this really make no sense?

2 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Science teacher - struggling with some concepts around rolling balls. Help?	182
How valid is the concern over arsenic in pressure-treated lumber?	18
How scientifically accurate is this list of foods to avoid? (Includes canned tomatoes, microwave popcorn, farmed salmon, and several more)	12
Can someone explain the chemistry of homemade cornstarch-based playdough?	6
Why do CDs tend to skip more toward the end of the disc compared to the beginning?	3
Cleaning with baking soda & vinegar - am I missing something, or does this really make no sense?	2