/r/askscience

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What are the actual differences between the Pfizer and Moderna vaccine? What qualities differentiates them as MRNA vaccines?

5719 upvotes • honeycall

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Do men and women have different wrinkle patterns due to genetic or facial expression dimorphisms?

5718 upvotes • thetransportedman

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Could solar flares realistically disable all electronics on earth?

5718 upvotes • ejoch

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How does the sun not burn up all of its hydrogen and subsequent fused elements almost instantaneously?

5717 upvotes • Ronaldinho910

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If I put a flashlight in space, would it propel itself forward by "shooting out" light?

5714 upvotes • nico1207

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What are the oldest mostly-unchanged tools that we still use?

5714 upvotes • semiseriouslyscrewed

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What does it take to develop a vaccine, and why does it take so long?

5693 upvotes • merendi1

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What exactly is missing for the covid-19 vaccines to be full approved, and not only emergency approved?

5686 upvotes • cinico

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Why isn't dopamine a recreational drug?

5683 upvotes • bayandsilentjob

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How strong is human skin relative to other animals?

5672 upvotes • Karatecake169

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
What are the actual differences between the Pfizer and Moderna vaccine? What qualities differentiates them as MRNA vaccines?	5719	honeycall
Do men and women have different wrinkle patterns due to genetic or facial expression dimorphisms?	5718	thetransportedman
Could solar flares realistically disable all electronics on earth?	5718	ejoch
How does the sun not burn up all of its hydrogen and subsequent fused elements almost instantaneously?	5717	Ronaldinho910
If I put a flashlight in space, would it propel itself forward by "shooting out" light?	5714	nico1207
What are the oldest mostly-unchanged tools that we still use?	5714	semiseriouslyscrewed
What does it take to develop a vaccine, and why does it take so long?	5693	merendi1
What exactly is missing for the covid-19 vaccines to be full approved, and not only emergency approved?	5686	cinico
Why isn't dopamine a recreational drug?	5683	bayandsilentjob
How strong is human skin relative to other animals?	5672	Karatecake169