/u/royrules22's posts in /r/askscience

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How long has Earth had conditions that would be suitable for the survival of a 21st century person?

63 upvotes

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What exactly are the differences between Active ingredients and Inactive ingredients in medicine?

19 upvotes

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In this picture of twilight from Mars, what is the smaller white dot in the sky?

5 upvotes

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How would a "ball" of hydrogen gas that has been lit on fire react when the container it is held in (like a balloon) is removed?

2 upvotes

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If I could go back in time, how far back in history could I go and still survive without any special apparatus?

1 upvotes

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How did the early hunter-gatherers process and eat their grains and vegetables?

1 upvotes

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What is the steepest possible mountain in our Solar System?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How long has Earth had conditions that would be suitable for the survival of a 21st century person?	63
What exactly are the differences between Active ingredients and Inactive ingredients in medicine?	19
In this picture of twilight from Mars, what is the smaller white dot in the sky?	5
How would a "ball" of hydrogen gas that has been lit on fire react when the container it is held in (like a balloon) is removed?	2
If I could go back in time, how far back in history could I go and still survive without any special apparatus?	1
How did the early hunter-gatherers process and eat their grains and vegetables?	1
What is the steepest possible mountain in our Solar System?	1