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

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Is it actually possible to suffer a heart attack from being scared or startled?

401 upvotes

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Are there waves of air on top of our atmosphere like waves of water on the surface of the ocean?

115 upvotes

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What mechanism causes human vision to go blurry when underwater? And does that mean that fish and sea creatures have blurry vision above water?

59 upvotes

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Can dark matter form it's own planets and stars?

46 upvotes

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Does deforestation effect our oxygen supply?

24 upvotes

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You have a stopwatch on Earth, and one in the center of the Milky Way, and you start them at the same time. In 10 years, what would be the time difference between the two stopwatches?

23 upvotes

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How do dogs manage the amount of information they receive through their nose?

21 upvotes

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What would our voice sound like on Mars?

11 upvotes

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Do the color of your eyes have anything to do with light sensitivity?

9 upvotes

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Does the Coriolis effect apply to the Milky Way?

8 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Is it actually possible to suffer a heart attack from being scared or startled?	401
Are there waves of air on top of our atmosphere like waves of water on the surface of the ocean?	115
What mechanism causes human vision to go blurry when underwater? And does that mean that fish and sea creatures have blurry vision above water?	59
Can dark matter form it's own planets and stars?	46
Does deforestation effect our oxygen supply?	24
You have a stopwatch on Earth, and one in the center of the Milky Way, and you start them at the same time. In 10 years, what would be the time difference between the two stopwatches?	23
How do dogs manage the amount of information they receive through their nose?	21
What would our voice sound like on Mars?	11
Do the color of your eyes have anything to do with light sensitivity?	9
Does the Coriolis effect apply to the Milky Way?	8