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

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Cretaceous dinosaur fauna of North America: West vs East

22 upvotes

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Why didn't woolly rhinos and cave hyenas migrate into North America, like mammoths and lions did?

14 upvotes

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DNA research has shown that there are brown bears more related to polar bears than other brown bears. Why are polar and brown bears still considered different species?

10 upvotes

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Were Precambrian glatiations interrupted by periodic warm interglatials, like Quaternary glatiations?

7 upvotes

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What conditions made it possible for the Uluburum shipwreck (c. 1400 BC) to be preserved intact? Are there other similar cases?

3 upvotes

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Why did the Eurasian collared dove's range begin to expand suddenly after 1900?

2 upvotes

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Could a man's diet kill his intestinal flora, but he still survive somehow?

1 upvotes

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Any reason for why there is no equivalent of the Old World wildcat in holarctic America?

1 upvotes

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Is the bear's range today expanding in any meaningful way, like the wolf?

1 upvotes

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How does human body fat respond to cold temperatures?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Cretaceous dinosaur fauna of North America: West vs East	22
Why didn't woolly rhinos and cave hyenas migrate into North America, like mammoths and lions did?	14
DNA research has shown that there are brown bears more related to polar bears than other brown bears. Why are polar and brown bears still considered different species?	10
Were Precambrian glatiations interrupted by periodic warm interglatials, like Quaternary glatiations?	7
What conditions made it possible for the Uluburum shipwreck (c. 1400 BC) to be preserved intact? Are there other similar cases?	3
Why did the Eurasian collared dove's range begin to expand suddenly after 1900?	2
Could a man's diet kill his intestinal flora, but he still survive somehow?	1
Any reason for why there is no equivalent of the Old World wildcat in holarctic America?	1
Is the bear's range today expanding in any meaningful way, like the wolf?	1
How does human body fat respond to cold temperatures?	1