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

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At the end of the Covid-19 Vaccine trials, were the patients told what they got and the placebo group given first shot at getting the real Vaccine?

4993 upvotes

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Although the main driver of our seasons is the Earth's tilt, do the aphelion and perihelion have any calculable effect?

40 upvotes

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Why are there no Calico humans?

12 upvotes

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Do we know yet if Covid-19 has any long term effects, similar to the way Measles hampers your immune system for as long as two years after recovery?

10 upvotes

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If my mouthwash "kills the germs that cause bad breath, plaque, etc etc" then how do they come back?

8 upvotes

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Does an outbreak of a virus increase the odds of a mutation?

3 upvotes

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Are people who get the chicken pox vaccine still at risk of Shingles later in life?

2 upvotes

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Is there any truth to the "well known fact" that open flames near diesel fuel isn't as risky as open flames near gasoline?

1 upvotes

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Is there a theoretical maximum lumens per watt we can hope to achieve?

1 upvotes

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How do I calculate the amount of heat in a volume of air?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
At the end of the Covid-19 Vaccine trials, were the patients told what they got and the placebo group given first shot at getting the real Vaccine?	4993
Although the main driver of our seasons is the Earth's tilt, do the aphelion and perihelion have any calculable effect?	40
Why are there no Calico humans?	12
Do we know yet if Covid-19 has any long term effects, similar to the way Measles hampers your immune system for as long as two years after recovery?	10
If my mouthwash "kills the germs that cause bad breath, plaque, etc etc" then how do they come back?	8
Does an outbreak of a virus increase the odds of a mutation?	3
Are people who get the chicken pox vaccine still at risk of Shingles later in life?	2
Is there any truth to the "well known fact" that open flames near diesel fuel isn't as risky as open flames near gasoline?	1
Is there a theoretical maximum lumens per watt we can hope to achieve?	1
How do I calculate the amount of heat in a volume of air?	1