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

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Other than influenza cases dramatically decreasing due to lockdown, increased sanitization, mask wearing, and social distancing during the COVID-19 pandemic, have we recorded other dramatic decreases in other diseases such as measles, mono, strep, staph, etc?

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Pulsars have a very regular pulse frequency from our perspective, but since these are super massive objects that distort spacetime, how would those pulses be perceived for an observer extremely close to one of those objects? Would pulses slow down? Speed up?

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I’ve always heard that the reason the body plan for most creatures is 4 legs is because it’s the most legs for the most stability for the highest efficiency. How then did evolution land on so many legs for centipedes and millipedes?

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Since vaccines were tested only on socially distanced and masked populations, do we know the difference in effectiveness of the COVID-19 vaccines when individuals remain socially distanced and wearing masks vs those that do not?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Other than influenza cases dramatically decreasing due to lockdown, increased sanitization, mask wearing, and social distancing during the COVID-19 pandemic, have we recorded other dramatic decreases in other diseases such as measles, mono, strep, staph, etc?	664
Pulsars have a very regular pulse frequency from our perspective, but since these are super massive objects that distort spacetime, how would those pulses be perceived for an observer extremely close to one of those objects? Would pulses slow down? Speed up?	6
I’ve always heard that the reason the body plan for most creatures is 4 legs is because it’s the most legs for the most stability for the highest efficiency. How then did evolution land on so many legs for centipedes and millipedes?	1
Since vaccines were tested only on socially distanced and masked populations, do we know the difference in effectiveness of the COVID-19 vaccines when individuals remain socially distanced and wearing masks vs those that do not?	1