In her work, Clemantine Wamariya is learning and sharing how remembering our life experiences in story form guides us to make sense and appreciate our present moments.

Jok Church created the science-education comic strip "You Can with Beakman and Jax" and the zany TV series "Beakman's World."

Kio Stark explores the myriad ways encounters with strangers impact our lives.

Deb Roy studies how children learn language, and designs machines that learn to communicate in human-like ways. On sabbatical from MIT Media Lab, he's working with the AI company Bluefin Labs.

Ayah Bdeir is an engineer and artist, and is the founder of littleBits and karaj, an experimental art, architecture and technology lab in Beirut.

The Chief Economist at General Electric, Marco Annunziata is a financial virtuoso with a passion for technology.

On more than 120 deep-sea expeditions, Robert Ballard has made many major natural discoveries, such as the deep-sea vents. Oh, and he found the Titanic.

A doctor by training, Stefan Larsson of BCG researches how transparency of medical outcomes and costs could radically transform the healthcare industry.

The founder of the Riverside School in Ahmedabad, Kiran Sethi has launched an initiative to make our cities more child-friendly.

The head of Microsoft's European games division, Peter Molyneux is building an astonishing new "virtual friend" who interacts with you.

Taylor Mali is one of the most well-known poets to have emerged from the poetry slam movement and one of the few people in the world to have no job other than that of poet.

Sarah Kaminsky writes about her father, Adolfo Kaminsky, a forger with a mission.

Stuart Russell wrote the standard text on AI; now he thinks deeply on AI's future -- and the future of us humans, too.

As fast as the rainforest is disappearing -- the people of the rainforest are disappearing even faster. Mark Plotkin works to preserve generations of knowledge.

Shaffi Mather is the founder of 1298 for Ambulance, Education Access for All, and co-promoter of Moksha-Yug Access.

With One Acre Fund, Andrew Youn fights poverty in rural sub-Saharan Africa.

Robert Full studies cockroach legs and gecko feet. His research is helping build tomorrow's robots, based on evolution's ancient engineering.

Cheryl Holder advocates for comprehensive medical prevention and care strategies for poor communities impacted by climate change.

Marily Oppezzo studies how the movement of the body can affect the movement of the mind.

Allan Savory works to promote holistic management in the grasslands of the world.

Grégoire Courtine and his interdisciplinary lab imagine new ways to recover after devastating, mobility-impairing injury to the spinal cord.

Kandice Sumner thinks we've been looking at the "achievement gap" in education all wrong.

At Novalia, Kate Stone and her team use ordinary printing presses to manufacture interactive electronics, which combine touch-sensitive ink technology and printed circuits into unique and cost-effective products.

In his provocative, mind-bending book "The Secret Life of the Mind," neuroscientist Mariano Sigman reveals his life’s work exploring the inner workings of the human brain.

Techno-sociologist Zeynep Tufekci asks big questions about our societies and our lives, as both algorithms and digital connectivity spread.

Stephen Webb is a science fiction fan who's passionately interested in what the future might hold for our species.

Bruce Feiler is the author of "The Secrets of Happy Families," and the writer/presenter of the PBS miniseries "Walking the Bible."

Shukla Bose is the founder and head of the Parikrma Humanity Foundation, a nonprofit that runs four extraordinary schools for poor children.

As co-founder and CEO of Netflix, Reed Hastings is revolutionizing the world of entertainment.

A self-proclaimed nature nerd, Janine Benyus' concept of biomimicry has galvanized scientists, architects, designers and engineers into exploring new ways in which nature's successes can inspire humanity.