Shankar Vedantam is the host and creator of Hidden Brain. The Hidden Brain podcast receives more than three million downloads per week. The Hidden Brain radio show is distributed by NPR and featured on nearly 400 public radio stations around the United States.
Mark Hamill is known for obsessively posting about President Biden (he's a fan) and also about former President Donald Trump (he's really not a fan.) On Friday, he met Biden in the Oval Office.
When marijuana becomes a Schedule III instead of a Schedule I substance under federal rules, researchers will face fewer barriers to studying it. But there will still be some roadblocks for science.