I want all families to be made whole, to be reunified, to be together -- as is our right, says writer, poet and student Elizabeth Zion. In this profoundly moving talk, Zion shares the impacts of family separation, including her personal...

How does a robin know to fly south? The answer might be weirder than you think: Quantum physics may be involved. Jim Al-Khalili rounds up the extremely new, extremely strange world of quantum biology, where something Einstein once called...

We give scientists and engineers great technical training, but we're not as good at teaching ethical decision-making or building character. Take, for example, the environmental crisis that recently unfolded in Flint, Michigan -- and the...

In 1968, Dr. Robert Ho Man Kwok felt ill after dinner at a Chinese restaurant and wrote a letter to a medical journal connecting his symptoms to MSG. His letter would change the world's relationship with MSG, inspiring international...

Thanks to humans, old school apex predators are struggling to hold onto their perch at the top of the food chain. And now a new class of adaptable mesopredators are remaking the ecosystems they take...

Mandatory lockdowns, quarantines and shelter-in-place orders meant to contain COVID-19 have created a shadow pandemic of domestic abuse, says physician Kemi DaSilva-Ibru. Sharing alarming statistics on the rise of gender-based violence...

Hank brings us news from planets all around the solar system: Mars, Mercury, and even planet Earth have been in the news lately. A retraction from NASA about the Curiosity mission; the discovery of water and organic material in craters...

You’ve heard that dogs are basically furry toddlers, with cognitive abilities on par with a 2 year old human. But while that might make sense on some levels, the minds of distinct species can work very differently.

Today we’re talking about how we actually DO sociology. Nicole explains the research method: form a question and a hypothesis, collect data, and analyze that data to contribute to our theories about society.

Imagine seeking safety abroad and instead being detained and forced to defend yourself in a high-stakes legal battle — alone. Law professor César Cuauhtémoc García Hernández explains how the asylum process in the US became warped into...

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

Journalist Mustafa Akyol talks about the way that some local cultural practices (such as the seclusion of women) have become linked, in the popular mind, to the articles of faith of Islam. Has the world's general idea of the Islamic...

Even science can't yet explain these 7 extremely cool, weird phenomena in the universe, despite decades or even centuries of research.

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Stephen Wolfram, creator of Mathematica, talks about his quest to make all knowledge computational -- able to be searched, processed and manipulated. His new search engine, Wolfram Alpha, has no lesser goal than to model and explain the...

Author Robert Wright explains "non-zero-sumness" -- the network of linked fortunes and cooperation that has guided our evolution to this point -- and how we can use it to help save humanity today.

In a rich conversation full of practical insights, former Prime Minister of Australia Julia Gillard and former Finance Minister of Nigeria Ngozi Okonjo-Iweala reflect on their experiences as women leaders in positions of global power --...

In which John Green teaches you, at long last, about the most exceptional bunch of empire-building nomads in the history of the world, the Mongols! How did the Mongols go from being a relatively small band of herders who occasionally...

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...

Strong faith is a core part of Alaa Murabit's identity -- but when she moved from Canada to Libya as a young woman, she was surprised how the tenets of Islam were used to severely limit women's rights, independence and ability to lead....

We all share one planet -- we breathe the same air, drink the same water and depend on the same oceans, forests and biodiversity. economist Naoko Ishii is on a mission to protect these shared resources, known as the global commons, that...

In which John Green teaches you about the beginning of the so-called Age of Discovery. You've probably heard of Christopher Columbus, who "discovered" America in 1492, but what about Vasco da Gama? How about Zheng He? Columbus gets a bad...

There are a multitude of books and motivational speakers that insist that anyone can think their way to happiness, but that advice really isn’t a one-size-fits-all solution.

We need a global weather service for water, says entrepreneur and TED Fellow Sonaar Luthra. In a talk about environmental accountability, Luthra shows how we could forecast water shortages and risks with a global data collection effort...