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Up First briefing: Biden-Trump debate; how your brain removes toxins Biden and Trump will hold their first presidential debate tonight. Scientists think understanding how the brain removes waste and toxins may help treat a broad range of disorders.

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President Biden and former President Donald Trump will face off tonight in Atlanta in their first debate of the 2024 campaign for the White House. The candidates are expected to discuss an array of issues, including inflation, immigration, abortion and the wars in Gaza and Ukraine.

For analysis, context and color during the CNN presidential debate, head to our liveblog starting at 5 p.m. ET at NPR.org. You can also tune into the debate at 9 p.m. ET on NPR stream it on many public radio stations, listen on the NPR app or on NPR.org.

The White House and federal agencies can urge social media platforms to remove content they consider misinformation, The Supreme Court ruled Wednesday. The ruling is a major victory to the Biden administration.

A chaotic scene unfolded in Bolivia yesterday as president Luis Arce appears to have staved off an attempt to topple his government. Soldiers filled the main plaza in La Paz and an armored vehicle breached a government palace, before withdrawing in what officials warned was a coup attempt by elements of the military. Arce vowed to stand firm and named a new army commander who ordered troops to stand down. The Bolivian general who appeared to be behind the rebellion, Juan Jos Ziga, was arrested after the attorney general opened an investigation and said more arrests are likely.

New insights into the brain's waste-removal system could one day help researchers better understand and prevent many different brain disorders. Andriy Onufriyenko/Getty Images hide caption

Your brain makes a lot of waste, and scientists now think they know where it goes. Two research teams published insights about the brain's waste-removal system and the findings could help better understand, treat and perhaps prevent various brain disorders. Here are some of the takeaways:

Alex Morgan celebrates during the 2019 FIFA Women's World Cup semifinal. Maja Hitij/Getty Images hide caption

This newsletter was edited by Obed Manuel.

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Up First briefing: Biden-Trump debate; how your brain removes toxins - NPR