Scientists dealt a blow Monday to the quest for organisms inhabiting worlds besides Earth, saying our planet was unusual in its ability to host liquid water -- the key ingredient for life.
ScientistsdealtablowMondaytothequestfororganismsinhabitingworldsbesidesEarth,sayingourplanetwasunusualinitsabilitytohostliquidwater--thekeyingredientforlife.Itw
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