Without salt, the ice stays frozen and the string just sits on top. The salt creates a cycle of melting and refreezing that traps the string. How long should I wait before lifting the string? Wait ...

Salt and ice melt have been hot commodities during Northeast ... Everyone Asks for More Lead-208's doubly magic nucleus defies expectations with surprising shape properties The 10 Most Powerful ...

Sea ice melt is not a significant contributor to sea level rise, but its contribution is not nothing, either. Sea ice is ...