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For the nearly 20 million Americans with a felony record, punishment doesn't end after their prison sentence. Sociologist Reuben Jonathan Miller sheds light on the aftershocks of mass incarceration through the stories of people who've lived it, left it and still have to grapple with punishing policies after their release. A challenge to rethink the criminal justice system in the US -- and make a place in society for all people, even those who've done harm.

Once considered the ugly duckling of environmental conservation, seagrass is emerging as a powerful tool for climate action. From drawing down carbon to filtering plastic pollution, marine scientist Carlos M. Duarte details the incredible things this oceanic hero does for our planet -- and shows ingenious ways he and his team are protecting and rebuilding marine life.

Mothers undeniably impact and shape history -- but their stories are often left out or misrepresented, says sociologist and author Anna Malaika Tubbs. This erasure limits policies to support mothers and their essential roles in society. Citing the remarkable lives of Alberta King, Louise Little and Berdis Baldwin (the mothers of Martin Luther King Jr., Malcolm X and James Baldwin, respectively), Tubbs emphasizes the need to shift the perspective on motherhood at a cultural level -- to better reflect the presence, power and influence of moms as our first leaders, caretakers and teachers. "Would the world be different today if we had been telling their stories all along?" she asks.

What can't Candace Parker do? A two-time NCAA champion, two-time Olympic gold medalist and two-time WNBA champion, Parker knows what it takes to fight for your dreams. In this inspiring talk, she shares what she's learned during a career spent not accepting limits -- and how her daughter taught her the best lesson of all. "Barrier breaking is about not staying in your lane and not being something that the world expects you to be," she says. "It's about not accepting limitations."

There's a mistaken belief in today's working world that leaders need to be serious all the time to be taken seriously. The research tells a different story. Based on the course they teach at Stanford's Graduate School of Business, behavioral scientist Jennifer Aaker and corporate strategist Naomi Bagdonas delve into the surprising power of humor: why it's a secret weapon to build bonds, power, creativity and resilience -- and how we can all have more of it.

Comics creator Sam Hester is part of a growing movement within health care: graphic medicine. In short, literally drawing attention to a patient's needs and goals with pictures to foster better and more accessible caretaking. Hester shares how illustrating small details of her mother's medical story as she struggled with mysterious symptoms alongside her Parkinson's and dementia led to more empathy, understanding, communication and peace of mind.