I ' m pretty sure the absorbing moisture thing is a myth , but temperature fluctuations can cause condensation on the concrete , which is an issue . Pm says use plastic sheets moisture proofwww . popularmechanics . comcarshowtomaintenance 1272486 It also suggests mothballs , which are an old fashioned by possibly less longlasting alternative to dryer sheets . <| sep |> Putting money into my deferred comp plan . I started 10 years into my career , have no logical reason as to why I didn ' t start earlier . I educate new employees on this now , put money towards retirement , no matter how far off it seems . <| sep |> Well , they ' ve found a very good and really , it is very good match between deposits at the Home Plate on Mars and hot spring deposits on Earth and those on Earth result from a mix of nonliving and living processes . However , the question of whether any given specimen is the result of biotic or abiotic processes requires more detailed analysis than is possible with the Martian specimens .