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

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Which species of mammal is the least aggressive toward its own kind? Are carnivorous animals in general more aggressive toward their own kind?

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Once a year in the U.S. a well defined thin layer of turkey carcasses is deposited in landfills. Is there an analogue in ancient cultures, and have these been used to date events or intervals? Like tree rings?

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In our solar system, why are heavier elements found mostly on rocky planets located far from the center and not closer to the center in the sun?

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Once eaten as prey, do any insects release fertilized eggs that can pass through the digestive system of the predator unharmed and subsequently hatch outside?

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Based on models, what is probability that two Earth-like planets coexist in the same solar system?

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Do other primates ever peel the phloem (those stringy things) off a banana prior to eating?

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Do sperm (in any species) ever fight or otherwise act against other sperm during their race to fertilize eggs?

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I had straight hair until puberty. From age 11 to 16 my hair gradually became VERY curly. Like Howard Stern curly. It stayed that way until my mid-50s. Now, in my late 60s, it is almost straight again. What mechanism could account for this?

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Speculate: How accurate could local weather forecasts be if only local data (and its history) were available: i.e., satellite and non-local data are excluded.

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Speculate: How accurate could local weather forecasts be if only local data (and history) were available: i.e., satellite and non-local data are excluded?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Which species of mammal is the least aggressive toward its own kind? Are carnivorous animals in general more aggressive toward their own kind?	1
Once a year in the U.S. a well defined thin layer of turkey carcasses is deposited in landfills. Is there an analogue in ancient cultures, and have these been used to date events or intervals? Like tree rings?	1
In our solar system, why are heavier elements found mostly on rocky planets located far from the center and not closer to the center in the sun?	1
Once eaten as prey, do any insects release fertilized eggs that can pass through the digestive system of the predator unharmed and subsequently hatch outside?	1
Based on models, what is probability that two Earth-like planets coexist in the same solar system?	1
Do other primates ever peel the phloem (those stringy things) off a banana prior to eating?	1
Do sperm (in any species) ever fight or otherwise act against other sperm during their race to fertilize eggs?	1
I had straight hair until puberty. From age 11 to 16 my hair gradually became VERY curly. Like Howard Stern curly. It stayed that way until my mid-50s. Now, in my late 60s, it is almost straight again. What mechanism could account for this?	1
Speculate: How accurate could local weather forecasts be if only local data (and its history) were available: i.e., satellite and non-local data are excluded.	1
Speculate: How accurate could local weather forecasts be if only local data (and history) were available: i.e., satellite and non-local data are excluded?	1