Looking to level up your presentations? It might only take a poorly-drawn sketch, says professor Martin J. Eppler. He offers three tips to use visualizations at work, laying out how these simple tricks can boost creativity and communication, improve decision-making and lead to better collaboration among colleagues.

Nancy Duarte believes that ideas are the most powerful tools people have. Her passion is to help every person learn to communicate their world-changing idea effectively.

Today, some companies are working hard to prevent consumers from repairing products on their own. In many cases, repair can only be done by the original manufacturer, if at all. With limited repair options available, we end up buying new and throwing more items out. So, how exactly do companies prevent repair? And what can consumers do about it?...

When Ramona Pierson was 22, she was hit by a drunk driver and spent 18 months in a coma. In this talk, she tells the remarkable story of her recovery -- drawing on the collective skills and wisdom of a senior citizens' home.

What if two different fish species, living thousands of miles apart from each other, hold the key to Earth's history? Evolutionary biologist and ichthyologist Prosanta Chakrabarty demonstrates the vitality of studies in nature, using 21st century tools to trace Earth's distant history, explain why it is the way it is today -- and theorize its po...

Did humans evolve from monkeys or from fish? In this enlightening talk, ichthyologist and TED Fellow Prosanta Chakrabarty dispels some hardwired myths about evolution, encouraging us to remember that we're a small part of a complex, four-billion-year process -- and not the end of the line. "We're not the goal of evolution," Chakrabarty says. "Th...

Rita Pierson, a teacher for 40 years, once heard a colleague say, "They don't pay me to like the kids." Her response: "Kids don't learn from people they don't like.'" A rousing call to educators to believe in their students and actually connect with them on a real, human, personal level.

TED Fellow Prosanta Chakrabarty explores hidden parts of the world in search of new species of cave-dwelling fish. These subterranean creatures have developed fascinating adaptations, and they provide biological insights into blindness as well as geological clues about how the continents broke apart million of years ago. Contemplate deep time in...

For the past 70 years, scientists in Britain have been studying thousands of children through their lives to find out why some end up happy and healthy while others struggle. It's the longest-running study of human development in the world, and it's produced some of the best-studied people on the planet while changing the way we live, learn and ...

Two sisters take the same DNA test. The results show that one sister is 10% French, the other 0%. Both sisters share the same two parents, and therefore the same set of ancestors. So how can one be 10% more French than the other? Tests like these rely on our DNA to answer questions about our ancestry, but DNA actually can't tell us everything. P...

Emily Parsons-Lord re-creates air from distinct moments in Earth's history -- from the clean, fresh-tasting air of the Carboniferous period to the soda-water air of the Great Dying to the heavy, toxic air of the future we're creating. By turning air into art, she invites us to know the invisible world around us. Breathe in the Earth's past and f...

Fascinating, insightful talks on what it means to be human and live a good life.

We have much to learn from the natural world -- from little lessons to perspective-shifting wisdom.

It's invisible, vital and life-sustaining. Get to know air, our ubiquitous and ever-present (if not a little gassy) neighbor.

Ramona Pierson develops tools to revolutionize learning management and assessment systems -- her fourth career after aviation, neuropsychology and software development.

Helen Pearson's book, "The Life Project," tells the extraordinary story of the longest-running study of human development in the world.

Prosanta Chakrabarty studies fish to help explain the evolution of human beings and our planet.

In Hans Rosling’s hands, data sings. Global trends in health and economics come to vivid life. And the big picture of global development -- with some surprisingly good news -- snaps into sharp focus.

Meander through Earth's lengthy timeline with these talks that go way, way back to the beginning of everything (as we know it so far, that is).

Why are we so obsessed with age? From quests for youth to immortality, these speakers explore the science of staying alive.

Poet Ali has crafted a unique brand of impact and connection-driven, entertainment arts. The experience feels like a nonjudgmental conversation with a talented friend full of laughter, tears and steeped in some deep truth.

Emily Parsons-Lord makes cross-disciplinary contemporary art that is informed by research and critical dialogue with materials and climate science.

Rita F. Pierson spent her entire life in or around the classroom, having followed both her parents and grandparents into a career as an educator.

A collection of studies and photography series that showcase the intrigue, beauty and diversity of human life.

Climate justice is taking center stage -- geopolitically, socially and morally. In a contagiously courageous conversation, Member of Parliament in the UK David Lammy and Tennessee state representative Justin J. Pearson discuss how brave leadership can shepherd global movements and uplift historically marginalized communities in the face of human...

Justin J. Pearson is a Tennessee state representative, community organizer and advocate for social and environmental justice.

Melissa Marshall aims to teach great communication skills to scientists and engineers, so that they can effectively share their work.

How can we create an education system that works for kids, instead of against them? Watch eight inspiring talks from TED's May 2013 PBS special, given in their entirety.

Stressed about what you want to study? Let these guide you down a path of inspiration and passion in fields from mathematics to space archaeology.

TED Resident Paul Tasner is the co-founder and CEO of PulpWorks, Inc., designers and manufacturers of biodegradable packaging for consumer goods.