Learn about how scientists traced some of Earth’s heaviest elements to an ancient star collision; what to do if you’re lying in bed and you can’t sleep; and whether diet soda can help you lose weight.

Learn about new sustainability rules that could help us cut space debris; why you shouldn’t blow your nose when you have a cold; and why you unconsciously copy other people’s mannerisms.

Learn about new research into the implicit attitudes people have in close relationships with others (and more) from Vivian Zayas, Director of the Personality, Attachment, and Control Laboratory at Cornell University.

Learn about the similarities between problems facing ancient and modern cities from author Monica L. Smith, an archaeologist and professor in the department of anthropology at UCLA. You’ll also learn about whether you have a dominant ear.

Learn about the weird science behind why people like the taste of black coffee; how entropy keeps time flowing forward; and how smiling really can make you feel happier.

Learn about how to tell whether a life hack is worth trying from a special guest: Professor Joseph M. Reagle Jr., author of the new book “Hacking Life: Systematized Living and Its Discontents.” You’ll also learn why there’s no such thing as a “reverse mic

Learn about how watching Spider-Man may reduce arachnaphobia; how the biggest volcano eruption in history may have made one of the world’s most classic horror stories possible; and a 100-point plan to organize your day to get more done.

Learn about Mary Anning, the famed female fossil hunter history almost forgot; why sad people seek out sad music; and how you can get your air-dried laundry as soft as your machine-dried laundry.

Learn about how researchers study how we mentally represent our relationships with special guest Vivian Zayas, Director of the Personality, Attachment, and Control Laboratory at Cornell University. Plus, learn about a regimen you can follow to help you pu

Learn about what the first cities looked like — and why humans built them — from author Monica L. Smith, an archaeologist and professor in the department of anthropology at UCLA. Then, learn what makes pedestrians run into each other.