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

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Could nanobots be used to eradicate introduced species in particular regions?

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If salt has accumulated in the oceans over billions of years, how long ago would it have been fresh enough to drink?

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What if Mars passed within 50 metres of the Earth?

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Over 1000 nuclear weapons were tested by the USA throughout the cold war, predominantly on western mainland USA. What health effects, if any, have these tests had on the population?

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Did our ancestors start wearing clothes & animal furs because they lost their own fur for other reasons? or did they lose their fur because it was no longer needed with clothing available?

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Is .99999.... Actually equal to 1?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Could nanobots be used to eradicate introduced species in particular regions?	1
If salt has accumulated in the oceans over billions of years, how long ago would it have been fresh enough to drink?	1
What if Mars passed within 50 metres of the Earth?	1
Over 1000 nuclear weapons were tested by the USA throughout the cold war, predominantly on western mainland USA. What health effects, if any, have these tests had on the population?	1
Did our ancestors start wearing clothes & animal furs because they lost their own fur for other reasons? or did they lose their fur because it was no longer needed with clothing available?	1
Is .99999.... Actually equal to 1?	0