This DIY project shows how to etch metal the easy way—right on a hammer! Follow the step-by-step process to achieve clean, striking patterns that make your tools one of a kind. Senate Democrats block ...

A presidential hopeful has been kidnapped along with 516 other passengers on a jumbo jet. The hijackers only demand: Pythagoras. All intelligence reports point to a top-secret research facility on ...

Department of Chemistry, College of Science, King Saud University, P.O. 2455, Riyadh 11451, Saudi Arabia ...

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