Research Group on Natural Products and Organic Synthesis, Department of Chemistry, Postgraduate Program in Applied Chemistry (PPGQA), Universidade Estadual do Centro-Oeste - UNICENTRO, Guarapuava, ...

With their eel-like bodies, vampire teeth and suction cup mouths, the main characters of a new documentary resemble something out of the "Dune" science fiction films. The sea lamprey nearly destroyed ...

A step-by-step guide to help you fill out a W-4 Thanasis / Getty Images You're about to begin that much-needed, new job and your employer hands you an IRS Form W-4 to fill out and submit to them ...

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