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When “Supergirl” has its premiere on Oct. 26, it will enter a cultural landscape where female superheroes are better represented than ever before: where they have nearly as much opportunity to right wrongs and fight crime – and to play the central roles in their own stories — as their muscle-bound male counterparts.

Hillary Clinton’s endorsement Friday by the country’s largest public employee union marks a turning point in her nomination battle as she shores up support from a labor movement that flirted in recent months with Bernie Sanders and Joe Biden.

Avogadro's number is sort of like a bridge. It bridges chemistry and atomic physics. In chemistry we measure bulk properties like mass, pressure, volume, temperature. However, when we consider these things from an atomic perspective we look at individual atoms and the momentum, velocity of these particles. Avogadro's number connects these two ideas and allows us to explore atomic-level things by measuring macroscopic level quantities. It’s a big deal.

The 2016 presidential race can be our opportunity to turn the tide. The Bernie Sanders campaign is committed to a clear and emphatic reassertion of the importance of public goods and the public sector that provides them, including public higher education in particular.

She said supporters will attempt to dispel the impression it's government-run health care — the insurance program eventually would be run by an elected 21-member board — and claimed it would provide more help for more people, by cutting bureaucracy, waste and unreasonable profits.

Protests have erupted across many of South Africa’s public universities this year, with anger focusing on the deep-rooted economic and racial cleavages remaining a generation after the end of apartheid.

That’s why every ad or video has the tagline, “Experience Grand Rapids.” Honestly, it is a great experience, if you only spend time downtown. But what is that experience like for the workers who toil there before heading back to the neighborhoods where they pay a mortgage or rent?

ATU Local 836’s Fight for Dignity in Grand Rapids, Michigan

Voters in Argentina’s October 25th national elections will help define the future of Latin America’s third largest economy. While the three main Presidential candidates and their parties are all seeking to lay claim to the populist legacy of former President Juan Domingo Perón, voters will nonetheless be choosing between candidates with sharply different views on the role of the state as Argentina faces major structural economic challenges.

Music Is My Ammunition | Playing For Change. What Republicans Hear When Bernie Speaks. Documentary: India's Daughter. Medea Benjamin on System Change. Could We Actually Live on Mars?