/u/internetloser4321's posts in /r/askscience

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if very tall people kept breeding with each other would we end up with a race of giants?

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Why are some materials very hard and can support a lot of weight but crack easily? Doesn't being hard mean than the molecules are strongly bonded together? Shouldn't that make it hard to crack?

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Why are some materials very hard and can support a lot of weight but crack easily? Doesn't being hard mean than the molecules are strongly bonded together? Shouldn't that make it hard to crack?

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Is it possible using the known laws of physics to determine what the absolute limits of human technological advancement are? If so, what are some of the limits?

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Why do some plants have flowers, some have fruit, and some have neither?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
if very tall people kept breeding with each other would we end up with a race of giants?	1
Why are some materials very hard and can support a lot of weight but crack easily? Doesn't being hard mean than the molecules are strongly bonded together? Shouldn't that make it hard to crack?	1
Why are some materials very hard and can support a lot of weight but crack easily? Doesn't being hard mean than the molecules are strongly bonded together? Shouldn't that make it hard to crack?	1
Is it possible using the known laws of physics to determine what the absolute limits of human technological advancement are? If so, what are some of the limits?	1
Why do some plants have flowers, some have fruit, and some have neither?	1