1 Aseptic meningitis is a term referring to the broad category of meningitis that is not caused by bacteria. 2  Approximately 50% of aseptic meningitis is due to viral infections. 3  Other less common causes include. 4  drug reactions or allergies,  inflammatory diseases like lupus.
The cycle will probably take you roughly 6-8 weeks, depending on the amount of dead stuff in the dry rock and the amount of dead life on the live rock that didn't survive shipping and handling by the time it gets back into saltwater. If the rock is really clean, it might be less than six weeks.
Life on Earth will continue for at least another 1.75 billion years ... but human life could die out long before. Astrobiologists predict our planet will move out of the solar system's habitable zone and become too hot for even primitive bacteria. To survive, humans might have to migrate to Mars. The calculations were based on our distance from the sun and temperatures at which it is possible for the planet to retain water.