With fantastic new maps that show interactive, visual representations of urban fragility, Robert Muggah articulates an ancient but resurging idea: cities shouldn't just be the center of economics -- they should also be the foundation of...

From the return of nomadic living to a climate-disrupted world, author and global strategist Parag Khanna has some predictions for humanity. Get a fascinating glimpse at the future as he tackles an urgent question: Where on Earth will...

Traditional COVID tests take time and specialized personnel, but a new kind of test that uses nanotechnology could expedite the process.

Iran and Israel: two nations with tense relations that seem existentially at odds. But for all their antagonistic rhetoric, there is a recent hidden history of collaboration, even friendship. In an informative talk, Trita Parsi shows how...

Still invisible and often an afterthought, indigenous peoples are uniting to protect the world's water, lands and history -- while trying to heal from genocide and ongoing inequality. Tribal attorney and Couchiching First Nation citizen...

How does bitcoin work? What is a "block chain"? What problem is this system trying to solve, and how does it use the tools of cryptography to do so?

Design gives form to the future, says architect Bjarke Ingels. In this worldwide tour of his team's projects, journey to a waste-to-energy power plant (that doubles as an alpine ski slope) and the LEGO Home of the Brick in Denmark -- and...

Black history in the US is rich, profound -- and at risk of being lost forever, if not for the monumental efforts of Julieanna L. Richardson. As the founder of The HistoryMakers -- the largest national archive of African American...

In India (and many other countries), girls and women still find themselves silenced by traditional rules of politeness and restraint, says social scientist Deepa Narayan. In this frank talk, she identifies seven deeply entrenched norms...

Reading and writing can be acts of courage that bring us closer to others and ourselves. Author Michelle Kuo shares how teaching reading skills to her students in the Mississippi Delta revealed the bridging power of the written word --...

How do you turn a memory, especially one of a traumatic event, into hard evidence of a crime? Julia Shaw is working on this challenge, combining tools from memory science and artificial intelligence to change how we report workplace...

The global refugee crisis is a mental health catastrophe, leaving millions in need of psychological support to overcome the traumas of dislocation and conflict. To undo the damage, child psychiatrist and TED Fellow Essam Daod has been...

Some might call sand coarse, rough and irritating, but there’s no denying that it’s used everywhere: from glass to asphalt, sand is a key ingredient for all sorts of materials in construction and technology. But this heavy reliance on...

Our planet's diverse, thriving ecosystems may seem like permanent fixtures, but they're actually vulnerable to collapse. Jungles can become deserts, and reefs can become lifeless rocks. What makes one ecosystem strong and another weak in...

From Pokémon, to fMRI, to the relationship between masculine norms and mental health, 2016 left us with some interesting psych news to ponder.

Energy is the most powerful and useful concept in all of physics, but what exactly is it?

How do you tell a plane from a bird? The vertical tail, of course! By why can birds fly without a vertical tail, and how do planes use their vertical tails to stay in the air?

Wael Ghonim helped touch off the Arab Spring in his home of egypt ... by setting up a simple Facebook page. As he reveals, once the revolution spilled onto the streets, it turned from hopeful to messy, then ugly and heartbreaking. And...

In this video Paul Andersen shows conceptual thinking in a mini-lesson on causal relationships.

T
ERMS:
Cause - a thing that gives rise t
o an event
Ef
fect - an event
Relationship - interconnection betwe
en parts of...

Mantis shrimp might as well be super heroes, and one of their powers might given us insight on how to spot cancer.

SciShow heads to Washington D.C. to join the March for Science and interview people about why they feel science is important to them.

T. Morgan Dixon and Vanessa Garrison, founders of the health nonprofit GirlTrek, are on a mission to reduce the leading causes of preventable death among Black women -- and build communities in the process. How? By getting one million...

Tim Brown says the design profession has a bigger role to play than just creating nifty, fashionable little objects. He calls for a shift to local, collaborative, participatory "design thinking" -- starting with the example of...

Taylor Wilson believes nuclear fusion is a solution to our future energy needs, and that kids can change the world. And he knows something about both of those: When he was 14, he built a working fusion reactor in his parents' garage. Now...