/u/Kattsu-Don's posts in /r/askscience

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Ages 1 to 4 are very important for brain development but yet most people can't recall anything from that time period. Why don't we remember our earliest memories?

18803 upvotes

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What stops insects like spiders, mosquitoes, and flies from completely dying out during the winter in the wild?

23 upvotes

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Are moths and butterflies able to cross breed like tigers and lions?

12 upvotes

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I understand that harvesting stem cells can be difficult depending on the source. What stops us from using CRISPR or some other method to create self replicating stem cells that are still programmable to other cell types and can be used effectively?

3 upvotes

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Why can't you see any outline of your bone when you put your fingertip over a bright flashlight even though it appears semi transparent.

1 upvotes

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The pistol and mantis shrimp use cavitation bubble(as a side effect) to attack their prey. Would they have the same effect on dry land/in open air?

1 upvotes

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I understand that harvesting stem cells can be difficult depending on the source. What stops us from using CRISPR or some other method to create self replicating stem cells that are still programmable(to other functions) and can be used effectively?

1 upvotes

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Movies often show aliens finding earth and traveling here for various reasons. With the unique qualities of the our planet, how easy would it be to find earth as a habitable planet from a distant?

1 upvotes

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Does the estrogen in soy effect the human body the same way as hormonal estrogen?

1 upvotes

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Without looking at the ethical reasons, would cemeteries be a more nutrient rich land choice and effective for farming?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Ages 1 to 4 are very important for brain development but yet most people can't recall anything from that time period. Why don't we remember our earliest memories?	18803
What stops insects like spiders, mosquitoes, and flies from completely dying out during the winter in the wild?	23
Are moths and butterflies able to cross breed like tigers and lions?	12
I understand that harvesting stem cells can be difficult depending on the source. What stops us from using CRISPR or some other method to create self replicating stem cells that are still programmable to other cell types and can be used effectively?	3
Why can't you see any outline of your bone when you put your fingertip over a bright flashlight even though it appears semi transparent.	1
The pistol and mantis shrimp use cavitation bubble(as a side effect) to attack their prey. Would they have the same effect on dry land/in open air?	1
I understand that harvesting stem cells can be difficult depending on the source. What stops us from using CRISPR or some other method to create self replicating stem cells that are still programmable(to other functions) and can be used effectively?	1
Movies often show aliens finding earth and traveling here for various reasons. With the unique qualities of the our planet, how easy would it be to find earth as a habitable planet from a distant?	1
Does the estrogen in soy effect the human body the same way as hormonal estrogen?	1
Without looking at the ethical reasons, would cemeteries be a more nutrient rich land choice and effective for farming?	1