/u/jxf's posts

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When we form memories, what are we actually remembering?

15 upvotes • r/askscience

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What is it about grapefruit juice, specifically, that's problematic for many kinds of medications?

13 upvotes • r/askscience

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Given a high-resolution picture of either a sunrise or sunset, can you tell which one it is?

8 upvotes • r/askscience

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What amount of energy is released in a single hydrogen-antihydrogen annihilation event?

7 upvotes • r/askscience

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What's the farthest back in time we could go and still be intelligible to native speakers of some language?

7 upvotes • r/askscience

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Is there a "astronomical coordinate system"? How do astronomers tell each other where something is and how far away it is?

7 upvotes • r/askscience

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Are we slightly lighter during the day and slightly heavier at night, owing to the force of the Sun's gravity?

6 upvotes • r/askscience

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Do you save appreciable amounts of gas if you turn your car off at long red lights?

5 upvotes • r/askscience

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How much of what we know about construction, engineering, and materials science is specific to Earth versus an arbitrary planet?

2 upvotes • r/askscience

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How can heat pumps move more thermal energy than they use to move the energy?

1 upvotes • r/askscience

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
When we form memories, what are we actually remembering?	15	askscience
What is it about grapefruit juice, specifically, that's problematic for many kinds of medications?	13	askscience
Given a high-resolution picture of either a sunrise or sunset, can you tell which one it is?	8	askscience
What amount of energy is released in a single hydrogen-antihydrogen annihilation event?	7	askscience
What's the farthest back in time we could go and still be intelligible to native speakers of some language?	7	askscience
Is there a "astronomical coordinate system"? How do astronomers tell each other where something is and how far away it is?	7	askscience
Are we slightly lighter during the day and slightly heavier at night, owing to the force of the Sun's gravity?	6	askscience
Do you save appreciable amounts of gas if you turn your car off at long red lights?	5	askscience
How much of what we know about construction, engineering, and materials science is specific to Earth versus an arbitrary planet?	2	askscience
How can heat pumps move more thermal energy than they use to move the energy?	1	askscience