In which John Green teaches you about the Little Ice Age. The Little Ice Age was a period of global cooling that occurred from the 13th to the 19th centuries. This cooling was likely caused by a number of factors, including unusual solar...

Industrial manufacturers spend a huge amount of energy generating heat to make everyday materials and objects, like cement, steel, and paper. And since most companies use fossil fuels to reach these high temperatures, industrial heat...

You would think that without dentists and fluoride mouthwash, early humans would have terrible teeth. But tooth decay depends on access to sugars and starches -- meaning most early humans had decent teeth up until the Agricultural...

If you could throw a potluck with all the oldest foods in the world, what would you bring? We asked ourselves that question and prepared a menu of tasty snacks for you to consider, from tamales and noodles to our favorite ancient boozes....

Thanks to a recent adaptation, instead of getting sick from the boozy, fermented fruits, one of our primate ancestors could digest them safely, and get more calories at the same time. This new superpower would open up a whole new...

You have questions, I have answers.

Your kitchen really is your own personal science lab, so here are some science-based cooking tricks to make tastier, healthier, and awesomer meals.

Oops! You drop your precious midnight snack on the floor! You just picked it up really quick, like less than five seconds, so it is ok to eat, right? But is the 5-second rule really legit? Hosted by: Michael Aranda ----------

A man walks in to a hospital super drunk... but claims he hasn't had a sip of alcohol. Join us today for SciShow medical mystery!

A lot of our food comes from plants, including honey! Mister Brown and Squeaks learn how honey goes from being watery nectar in a flower to the sweet sticky substance we all know and love - and it's all thanks to bees!

We close the week with an uplifting tale from the United Kingdom. Amid shortages of essential supplies during the coronavirus era, a picturesque water mill of the medieval period has been pressed back into service -- to provide bakers...

As the civil war in Yemen enters its sixth year, tens of thousands have died in the fighting, while disease and hunger have killed thousands more. The many children who have lost or been abandoned by parents have suffered the most, both...

Bryan Ford catapulted to prominence during the pandemic's bread-making frenzy, inspiring millions online with innovative twists on sourdough bread, all while celebrating the baking cultures of Latin America. Geoff Bennett spent some time...

If food waste were a country, it would be the third-largest emitter of greenhouse gases behind China and the United States. NewsHour Weekend's Megan Thompson sat down with Elizabeth Balkan, director of food waste for the Natural...

In which John Green teaches you about the Little Ice Age. The Little Ice Age was a period of global cooling that occurred from the 13th to the 19th centuries. This cooling was likely caused by a number of factors, including unusual solar...

Oops! You drop your precious midnight snack on the floor! You just picked it up really quick, like less than five seconds, so it is ok to eat, right? But is the 5-second rule really legit?

Today we're going to talk about Symbolic AI - also known as "good old-fashioned AI". Symbolic AI is really different from the modern neural networks we've discussed so far, instead, it represents problems using symbols and then uses...

If you watched a lot of cartoons as a kid, chances are you picked up some common animal stereotypes like "cats love milk!" or "bears can't get enough of that sweet, sweet honey!" What if we told you that everything cartoons taught you is...

Louise Fresco shows us why we should celebrate mass-produced, supermarket-style white bread. She says environmentally sound mass production will feed the world, yet leave a role for small bakeries and traditional methods.

You may have seen posts online warning you about the dangers of eating burnt toast, but how much will that actually affect your health?

FYI: We try to leave jargon out of our videos, but if you want to learn more about this topic, here are some handy keywords to get your googling started:

Asparagus: a delicious, edible p
lant
Odor: a sm
ell, aroma
Gas...

Biologist Juliana Machado Ferreira, a TED Senior Fellow, talks about her work helping to save birds and other animals stolen from the wild in Brazil. Once these animals are seized from smugglers, she asks, then what?

Ancient grains like Spelt, Emmer, and Einkorn are making a comeback, but are they better for you than modern wheats? The answer is, as usual, not a simple 'yes' or 'no'.

Photographer Monika Bulaj shares powerful, intimate images of Afghanistan -- of home life, of ritual, of men and women. Behind the headlines, what does the world truly know about this place?