We spend so much time listening to the things people are saying that we rarely pay attention to the things they don't, says poet and teacher Clint Smith. A short, powerful piece from the heart, about finding the courage to speak up...

In this video Paul Andersen describes several types of evidence for common ancestry. This evidence is contained in the fossils, embryos and molecules of living organisms. Even though life on our planet is incredibly diverse there are...

A study that included 36 questions which can allegedly be used to fall in love with a stranger made the news rounds a while back, but the actual science isn’t that simple—and falling in love was never the point of the questions.

Hank talks with University of Montana Professor Rick Hughes about innovating technology and training the SciShow staff. Special guest appearance with Jessi and Veiled Chameleon 'Twirly'.

The line between public and private has blurred in the past decade, both online and in real life, and Alessandro Acquisti is here to explain what this means and why it matters. In this thought-provoking, slightly chilling talk, he shares...

Dan Gilbert, author of "Stumbling on Happiness," challenges the idea that we'll be miserable if we don't get what we want. Our "psychological immune system" lets us feel truly happy even when things don't go as planned.

Computer skills aren't what's stopping people from breaking into the tech industry, says social entrepreneur Irma L. Olguin Jr. More often, the biggest hurdles are things like access to childcare, transportation and financial stability....

Paul Andersen explains patterns and describes why pattern recognition is an important skill in science and engineering. He begins by discussing patterns in nature, including snowflakes, flower petals, seasons and nucleotides in DNA. He...

How can Africans find solutions to Africa's problems? Conservation biologist Kevin Njabo tells his personal story of how he nearly became part of the group of African scientists who seek an education abroad and never return -- and why...

ThinkBlocks were invented by Derek Cabrera at Cornell.

Would you negotiate with someone you knew to be evil, to save lives? Samantha Power tells a story of a complicated hero, Sergio Vieira de Mello. This UN diplomat walked a thin moral line, negotiating with the world's worst dictators to...

Carol Dweck researches “growth mindset” — the idea that we can grow our brain's capacity to learn and to solve problems. In this talk, she describes two ways to think about a problem that’s slightly too hard for you to solve. Are you not...

Paul Andersen reflects on the 2013 AP Biology Exam.

Something is very wrong with the news industry. Trust in the media has hit an all-time low; we're inundated with sensationalist stories, and consistent, high-quality reporting is scarce, says journalist Lara Setrakian. She shares three...

At the Harbour School in Hong Kong, TED Senior Fellow Cesar Harada teaches citizen science and invention to the next generation of environmentalists. He's moved his classroom into an industrial mega-space where imaginative kids work with...

From simple alphabets to secret symbolic languages, graphic designer Saki Mafundikwa celebrates the many forms of written communication across the continent of Africa. He highlights the history and legacy that are embodied in written...

Daniel Goleman, author of "Emotional Intelligence," asks why we aren't more compassionate more of the time.

Explore food chains, food webs, energy pyramids, and the power of biodiversity in this ecology video by the Amoeba Sisters! This video also introduces general vocabulary for the unit of ecology.

2013 was a year of hype for MOOCs (massive open online courses). Great big numbers and great big hopes were followed by some disappointing first results. But the head of edX, Anant Agarwal, makes the case that MOOCs still matter -- as a...

Leaving a high-flying job in consulting, Angela Lee Duckworth took a job teaching math to seventh graders in a New York public school. She quickly realized that IQ wasn't the only thing separating the successful students from those who...

Paul Andersen describes his philosophy for group size.<br/>
One is for learning, active a<br/>nd private.
Two is for teachi<br/>ng, it goes both ways.
Three <br/>is for working, the jobs divided.
Four is for nothing but wasting the days.

It took a life-threatening condition to jolt chemistry teacher Ramsey Musallam out of ten years of "pseudo-teaching" to understand the true role of the educator: to cultivate curiosity. In a fun and personal talk, Musallam gives 3 rules...

Africa needs engineers, but its engineering students often end up working at auditing firms and banks. Why? Kamau Gachigi suspects it's because they don't have the spaces and materials needed to test their ideas and start businesses. To...

There are a lot of resources given by nature for free -- all we need is our sensitivity to see them and our creativity to use them, says architect Anna Heringer. Heringer uses low-tech materials like mud and bamboo to create structures...