Portside

What does it mean that gravity is not a force? In this video I will revisit the question and explain why you are currently accelerating upwards, and how Einstein's equivalence principle works.

In the 2000s and 2010s Chileans began resolving the Crisis of Representation through protest, song, and dance. Recent political setbacks do not detract from this.

Keeping Trump off the ballot would be an affront to democracy. Denying people the opportunity to vote for him is going to make him stronger.

These inspiring developments serve as powerful reminders that by working together in pursuit of progress, we can manifest meaningful criminal legal reform that makes our country more humane, more just, and more democratic.

Sometimes humility gets a bad rap. But having intellectual humility – being open to new information and willing to change your mind – can be beneficial for the individual and for society.

Part 2 of our conversation with longtime trade unionist Bill Fletcher and labor historian Jeff Schuhrke about union calls for a ceasefire in Gaza, the 2024 election and more.

Karl Marx started out in a liberal milieu where the primary concern was abolishing religious authoritarianism. In time, he came to believe that abolishing capitalism was necessary for true freedom — and that only the working class could do it.

At best, the U.S. and China will avoid a major blow-up over Taiwan or the South China Sea in 2023, while making progress on issues like climate change and drug trafficking. At worst, the two great powers could take the world to hell and back.

In his new book, Silent Cavalry, former New York Times editor Howell Raines tells of loyalties long suppressed in his native Alabama

In the West Bank, I met so many brave Israelis and Palestinians who are working together to document obstacles to peace that I can see a way forward — if America has the guts to help them