Marie Skłodowska Curie's revolutionary research laid the groundwork for our understanding of physics and chemistry, blazing trails in oncology, technology, medicine, and nuclear physics, to name a few. But what did she actually do? Shohini Ghose expounds on some of Marie Skłodowska Curie's most revolutionary discoveries. [Directed by Anna Nowakowska, narrated by Julianna Zarzycki, music by Matthias Runge].

Marie Skłodowska Curie's revolutionary research laid the groundwork for our understanding of physics and chemistry, blazing trails in oncology, technology, medicine, and nuclear physics, to name a few. But what did she actually do? Shohini Ghose expounds on some of Marie Skłodowska Curie's most revolutionary discoveries. [Directed by Anna Nowakowska, narrated by Julianna Zarzycki, music by Matthias Runge].

In 2004, a nutrition company offered a life-changing opportunity to earn a full-time income for part-time work. There were only two steps to get started: purchase a $500 kit and recruit two more members. By 2013, the company was making $200 million. There was just one problem -- the vast majority of members earned less than they paid in. Stacie Bosley explains what a pyramid

scheme is and how to spot one. [Directed by Wooden Plane Productions, narrated by Bethany Cutmore-Scott, music by Matthew Reid].

In 2004, a nutrition company offered a life-changing opportunity to earn a full-time income for part-time work. There were only two steps to get started: purchase a $500 kit and recruit two more members. By 2013, the company was making $200 million. There was just one problem -- the vast majority of members earned less than they paid in. Stacie Bosley explains what a pyramid

scheme is and how to spot one. [Directed by Wooden Plane Productions, narrated by Bethany Cutmore-Scott, music by Matthew Reid].

In 2004, a nutrition company offered a life-changing opportunity to earn a full-time income for part-time work. There were only two steps to get started: purchase a $500 kit and recruit two more members. By 2013, the company was making $200 million. There was just one problem -- the vast majority of members earned less than they paid in. Stacie Bosley explains what a pyramid

scheme is and how to spot one. [Directed by Wooden Plane Productions, narrated by Bethany Cutmore-Scott, music by Matthew Reid].

In 2004, a nutrition company offered a life-changing opportunity to earn a full-time income for part-time work. There were only two steps to get started: purchase a $500 kit and recruit two more members. By 2013, the company was making $200 million. There was just one problem -- the vast majority of members earned less than they paid in. Stacie Bosley explains what a pyramid

scheme is and how to spot one. [Directed by Wooden Plane Productions, narrated by Bethany Cutmore-Scott, music by Matthew Reid].

In 1925, Frida Kahlo was on her way home from school in Mexico City when the bus she was riding collided with a streetcar. She suffered near-fatal injuries and her disability became a major theme in her paintings. Over the course of her life, she would establish herself as the creator and muse behind extraordinary pieces of art. Iseult Gillespie dives into the life and work of Frida Kahlo. [Directed by Ivana Bošnjak and Thomas Johnson, narrated by Christina Greer, music by Stephen LaRosa].

Ah, romantic love; beautiful and intoxicating, heart-breaking and soul-crushing... often all at the same time! If romantic love has a purpose, neither science nor psychology has discovered it yet – but over the course of history, some of our most respected philosophers have put forward some intriguing theories. Skye C. Cleary outlines five of these philosophical perspectives on why we love. [Directed by Avi Ofer, narrated by Addison Anderson, music by Brooks Ball and Cem Misirlioglu].

Stress isn't always a bad thing; it can be handy for a burst of extra energy and focus, like when you're playing a competitive sport or have to speak in public. But when it's continuous, it actually begins to change your brain. Madhumita Murgia shows how chronic stress can affect brain size, its structure, and how it functions, right down to the level of your genes. [Directed by Andrew Zimbelman, narrated by Addison Anderson, music by Josh Smoak].

Depression is the leading cause of disability in the world; in the United States, close to ten percent of adults struggle with the disease. But because it's a mental illness, it can be a lot harder to understand than, say, high cholesterol. Helen M. Farrell examines the symptoms and treatments of depression, and gives some tips for how you might help a friend who is suffering. [Directed by Artrake Studio, narrated by Addison Anderson].