There must be some way for us to survive.

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Hey, the question didn't ask for tools that allowed us to survive: it asked for tools that impacted civilization, the principles of logical reasoning, the development of laws and cultural mores.

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But will working actively and purposefully for such enterprises actually help us to survive?

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Fertility specialists in the U.S. told us it is actually possible for sperm to survive anywhere from a few hours to up to 48 hours in clean unconventional containers if kept at room temperature.

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As a starting point, assume that each of us is only able to produce enough output for herself or himself to survive.

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"After eighteen months of intense analysis and vigorous debate about the future of Cooper Union, the time has come for us to set our institution on a path that will enable it to survive and thrive well into the future, " Epstein said.

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While this may put off some fiscal realities, the blunt truth is that for the Post Office to survive, they need to innovate like the rest of us.

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"Now we have to beg for food and the local community gives us some food and that's how we survive -- we have nothing else, " says Mohammed.

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