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

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Pfizer vaccine was initially recommended to be stored at -60C to -80C for transportation. Is the vaccine still at a liquid state at this temperature or is it frozen solid?

2480 upvotes

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Are food allergies genetic/inherited?

15 upvotes

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What's the largest a star can get without being a red-giant?

1 upvotes

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Why is glass transparent?

1 upvotes

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What color are atoms?

1 upvotes

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Why are shadows black?

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How do we know that the speed of light is a constant? Is it 'only' because of it has been observed to be, or has it been proven theoretically?

1 upvotes

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Size and shape of the (whole) universe

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Why are animals capable of echolocation not common?

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If money wasn't an issue, could we build telescopes to see exoplanets with visible light?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Pfizer vaccine was initially recommended to be stored at -60C to -80C for transportation. Is the vaccine still at a liquid state at this temperature or is it frozen solid?	2480
Are food allergies genetic/inherited?	15
What's the largest a star can get without being a red-giant?	1
Why is glass transparent?	1
What color are atoms?	1
Why are shadows black?	1
How do we know that the speed of light is a constant? Is it 'only' because of it has been observed to be, or has it been proven theoretically?	1
Size and shape of the (whole) universe	1
Why are animals capable of echolocation not common?	1
If money wasn't an issue, could we build telescopes to see exoplanets with visible light?	1