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Heavy metal first hit the airwaves back in the 1970s and 80s, but many of the elders of metal continue to rock, shred, thrash ...

The periodic table is one of the greatest achievements in scientific history, a tool that has transformed chemistry from an ...

Particle-accelerator study focuses on the r-process thought to be responsible for forming elements heavier than iron ...

Cycle chart with five elements. Step diagram, process chart, layout. Creative concept for infographics, presentation, project, report. Can be used for topics like management, workflow, analysis.