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

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Any three digit multiple of 37 is still divisible by 37 when the digits are rotated. Is this just a coincidence or is there a mathematical explanation for this?

8249 upvotes

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The existence of heavy elements on Earth implies our Solar System is from a star able to fuse them. What happened to all that mass when it went Supernova, given our Sun can only fuse light elements?

5867 upvotes

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How are chess AI bots designed to perform at a certain rating?

6 upvotes

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Birth rate seems to be inversely related to wealth and resource availability. Does this phenomenon occur in non-human species? Is there a biological(i.e. hormonal) influence behind it?

5 upvotes

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Do larger hard drives work slower than otherwise identical smaller hard drives, since they must sort and search through more data?

4 upvotes

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If an event happens an average of every x years, and it is been >x years since it last happened, are we more likely to experience the event? If so, can this likelihood be predicted?

3 upvotes

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Regarding forensic testing, what is done to prevent DNA from microorganisms and other environmental sources from interfering with results?

3 upvotes

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How cold would it have to be for Niagara Falls to completely freeze?

1 upvotes

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Can my dog tell the difference between a phone call and my music or am I just imagining it?

1 upvotes

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How do engineers account for rapidly improving technology while developing huge projects, such as the James Webb Space Telescope?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Any three digit multiple of 37 is still divisible by 37 when the digits are rotated. Is this just a coincidence or is there a mathematical explanation for this?	8249
The existence of heavy elements on Earth implies our Solar System is from a star able to fuse them. What happened to all that mass when it went Supernova, given our Sun can only fuse light elements?	5867
How are chess AI bots designed to perform at a certain rating?	6
Birth rate seems to be inversely related to wealth and resource availability. Does this phenomenon occur in non-human species? Is there a biological(i.e. hormonal) influence behind it?	5
Do larger hard drives work slower than otherwise identical smaller hard drives, since they must sort and search through more data?	4
If an event happens an average of every x years, and it is been >x years since it last happened, are we more likely to experience the event? If so, can this likelihood be predicted?	3
Regarding forensic testing, what is done to prevent DNA from microorganisms and other environmental sources from interfering with results?	3
How cold would it have to be for Niagara Falls to completely freeze?	1
Can my dog tell the difference between a phone call and my music or am I just imagining it?	1
How do engineers account for rapidly improving technology while developing huge projects, such as the James Webb Space Telescope?	1