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

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Hypothetically, if everyone used condoms for any sexual activity and they were 100% effective, how long would it take for STDs to become extinct?

302 upvotes

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Why are things from the past so far underground? In millions of years when our skeletons are where the dinosaurs skeletons are now, where did the old ground go? Where did the new ground come from?

143 upvotes

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Does air (air currents/air masses) change temperature? Or do the cold fronts and warm fronts just continuously move around like on the news?

2 upvotes

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Can someone validate/bust the scientific claims in this post? [X-post r/trees]

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AskScience question about The Dark Knight Rises [TOTAL SPOILER]

1 upvotes

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If you could levitate, would lifting a 50lb weight be harder to do compared to lifting the same weight when standing?

1 upvotes

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[Biology/Evolution] Why do humans still have to cut their nails? Aren't we far past the evolutionary stage of ever needing claws?

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Are carrots actually good for your eyes or is this myth? Any other foods that are good for you in weird ways?

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Computers can do amazingly complex things the likes of which most people can no even comprehend, why can't they figure out the letters in CAPTCHA?

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Four Corners of the Universe

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Hypothetically, if everyone used condoms for any sexual activity and they were 100% effective, how long would it take for STDs to become extinct?	302
Why are things from the past so far underground? In millions of years when our skeletons are where the dinosaurs skeletons are now, where did the old ground go? Where did the new ground come from?	143
Does air (air currents/air masses) change temperature? Or do the cold fronts and warm fronts just continuously move around like on the news?	2
Can someone validate/bust the scientific claims in this post? [X-post r/trees]	2
AskScience question about The Dark Knight Rises [TOTAL SPOILER]	1
If you could levitate, would lifting a 50lb weight be harder to do compared to lifting the same weight when standing?	1
[Biology/Evolution] Why do humans still have to cut their nails? Aren't we far past the evolutionary stage of ever needing claws?	1
Are carrots actually good for your eyes or is this myth? Any other foods that are good for you in weird ways?	1
Computers can do amazingly complex things the likes of which most people can no even comprehend, why can't they figure out the letters in CAPTCHA?	1
Four Corners of the Universe	1