/u/iowafarmboy2011's posts in /r/askscience

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How is altitude measured on other planets if they don't have seas and hence they don't have a mean sea level?

120 upvotes

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Do any original dinosaur bones exist? Like actual tissue not just a fossilized rock in the shape of bones?

3 upvotes

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Why is perpetual motion impossible?

1 upvotes

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In Lucy (australopithecus afarensis) how can they determine where the exact location of a small skull fragment goes on the skull?

1 upvotes

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Why does skin turn black when frostbitten?

1 upvotes

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Is it possible to determine how long atoms in a molecule have been bonded?

1 upvotes

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Why did W. filifera (California fan palm) and its relatives evolve their characteristic thread like fibers on their fronds?

1 upvotes

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What time of day/night did the asteroid that killed the dinosaurs hit earth?

1 upvotes

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Do we know (or is it possible to know) what time of day/night it was at the impact site when the meteor that killed the dinosaurs hit?

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Psychologically, why does saying "don't do that thing" (whatever that thing may be) sometimes make people want to do said thing more?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How is altitude measured on other planets if they don't have seas and hence they don't have a mean sea level?	120
Do any original dinosaur bones exist? Like actual tissue not just a fossilized rock in the shape of bones?	3
Why is perpetual motion impossible?	1
In Lucy (australopithecus afarensis) how can they determine where the exact location of a small skull fragment goes on the skull?	1
Why does skin turn black when frostbitten?	1
Is it possible to determine how long atoms in a molecule have been bonded?	1
Why did W. filifera (California fan palm) and its relatives evolve their characteristic thread like fibers on their fronds?	1
What time of day/night did the asteroid that killed the dinosaurs hit earth?	1
Do we know (or is it possible to know) what time of day/night it was at the impact site when the meteor that killed the dinosaurs hit?	1
Psychologically, why does saying "don't do that thing" (whatever that thing may be) sometimes make people want to do said thing more?	1