/u/wiz28ultra's posts in /r/askscience

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Which planets are more common in the universe, Ice Planets or Desert Planets

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Has there been any consensus surrounding the cause of extinction of Pleistocene Megafauna? Has it been generally accepted to be multiple different causes?

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How much money would it cost to keep a person incompatible with life alive for a normal human lifespan?

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Why are Dodos extinct, but not penguins? Even though both birds are flightless, clumsy, and friendly to humans, the Dodo is gone, but there are still penguins.

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What makes the Great White Shark more similar to Megalodon than other sharks like Makos, Tigers & Bulls?

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How bad is the current Holocene extinction compared to the Cretaceous-Paleogene Extinctions and the Permian-Triassic Extinctions? Have vertebrate orders evolved to be more resilient and diverse?

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There has been discussion of the current biodiversity loss and climate change as the 6th Mass Extinction. How does the current and future trajectory of biodiversity loss and climate change compare to that of the extinctions in the Cretaceous/Paleogene, Triassic/Jurassic, and Permian/Triassic?

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How reliable is the Sequential Megafaunal Collapse in regards to marine mammal populations? What are the best arguments for and against this hypothesis?

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To what extent is the existence of a 100ft. Blue Whale true? How do we know that such animals might exist today and weren't killed off by Whaling during the early 20th Century and such sizes don't exist in the gene pool anymore?

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How much smaller are elephants today compared to the past?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Which planets are more common in the universe, Ice Planets or Desert Planets	1
Has there been any consensus surrounding the cause of extinction of Pleistocene Megafauna? Has it been generally accepted to be multiple different causes?	1
How much money would it cost to keep a person incompatible with life alive for a normal human lifespan?	1
Why are Dodos extinct, but not penguins? Even though both birds are flightless, clumsy, and friendly to humans, the Dodo is gone, but there are still penguins.	1
What makes the Great White Shark more similar to Megalodon than other sharks like Makos, Tigers & Bulls?	1
How bad is the current Holocene extinction compared to the Cretaceous-Paleogene Extinctions and the Permian-Triassic Extinctions? Have vertebrate orders evolved to be more resilient and diverse?	1
There has been discussion of the current biodiversity loss and climate change as the 6th Mass Extinction. How does the current and future trajectory of biodiversity loss and climate change compare to that of the extinctions in the Cretaceous/Paleogene, Triassic/Jurassic, and Permian/Triassic?	1
How reliable is the Sequential Megafaunal Collapse in regards to marine mammal populations? What are the best arguments for and against this hypothesis?	1
To what extent is the existence of a 100ft. Blue Whale true? How do we know that such animals might exist today and weren't killed off by Whaling during the early 20th Century and such sizes don't exist in the gene pool anymore?	1
How much smaller are elephants today compared to the past?	1