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

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Are oceans necessary for a terrestrial planet to have sustained tectonic plate activity? Would a planet that was entirely covered by a single massive ocean have tectonic plate activity?

6085 upvotes

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What plesiomorphic (ancestral) traits of our common ancestor have humans retained but chimpanzees and bonobos have lost?

4000 upvotes

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A recent study has suggested some of TRAPPIST-1's planets may have 'too much water for life'. How does 'too much water' prevent a terrestrial planet from forming life?

27 upvotes

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Which languages can we say are least evolved from their ancestral forms?

18 upvotes

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What plesiomorphic traits have Humans retained from our Most Recent Common Ancestor (MRCA) with Chimpanzees and Bonobos which Chimps and Bonobos have lost or modified?

17 upvotes

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How does cultivated wild rice differ from wild wild rice? Has it been domesticated? If so, in what way?

13 upvotes

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Why do green vegetables (e.g. broccoli) turn a brighter shade of green when they are a little bit cooked and then turn dull olive shade of green when they are over cooked?

12 upvotes

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What differentiates oceanic plates from continental plates?

11 upvotes

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How do mangroves cope with the salt in sea water?

10 upvotes

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Some mammals have internal testes (Elephants, Rhinoceroses, Cetaceans), how do they get around the difficulties that body heat imposes on sperm production?

10 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Are oceans necessary for a terrestrial planet to have sustained tectonic plate activity? Would a planet that was entirely covered by a single massive ocean have tectonic plate activity?	6085
What plesiomorphic (ancestral) traits of our common ancestor have humans retained but chimpanzees and bonobos have lost?	4000
A recent study has suggested some of TRAPPIST-1's planets may have 'too much water for life'. How does 'too much water' prevent a terrestrial planet from forming life?	27
Which languages can we say are least evolved from their ancestral forms?	18
What plesiomorphic traits have Humans retained from our Most Recent Common Ancestor (MRCA) with Chimpanzees and Bonobos which Chimps and Bonobos have lost or modified?	17
How does cultivated wild rice differ from wild wild rice? Has it been domesticated? If so, in what way?	13
Why do green vegetables (e.g. broccoli) turn a brighter shade of green when they are a little bit cooked and then turn dull olive shade of green when they are over cooked?	12
What differentiates oceanic plates from continental plates?	11
How do mangroves cope with the salt in sea water?	10
Some mammals have internal testes (Elephants, Rhinoceroses, Cetaceans), how do they get around the difficulties that body heat imposes on sperm production?	10