TED Talks
Howard Rheingold: The new power of collaboration
Howard Rheingold talks about the coming world of collaboration, participatory media and collective action -- and how Wikipedia is really an outgrowth of our natural human instinct to work as a group.
TED-Ed
TED-ED: The ancient origins of the Olympics - Armand D'Angour
Thousands of years in the making, the Olympics began as part of a religious festival honoring the Greek god Zeus in the rural Greek town of Olympia. But how did it become the greatest show of sporting excellence on earth? Armand D'Angour...
TED-Ed
TED-ED: What is McCarthyism? And how did it happen? - Ellen Schrecker
In the 1950s, as part of a campaign to expose suspected Communists, thousands of individuals were aggressively investigated and questioned before government panels. Named after its most notorious practitioner, the phenomenon known as...
Bozeman Science
Agriculture
In this video Paul Andersen describes the pros and cons of industrial agriculture including: monocropping, irrigation, and the use of pesticides, fertilizers, and GMOs.
TED-Ed
TED-Ed: Ugly History: The Spanish Inquisition | Kayla Wolf
In 1478, Pope Sixtus IV issued a decree authorizing the Catholic monarchs, Ferdinand and Isabella, to root out heresy in the Spanish kingdoms. The inquisition quickly turned its attention to ridding the region of people who were not part...
TED-Ed
TED-ED: The journey to Pluto, the farthest world ever explored - Alan Stern
As of 1989, mankind had successfully sent craft to every known planet in the solar system except one: Pluto. Located in an mysterious region called the Kuiper Belt, Pluto is a scientific goldmine, and could hold clues to the formation of...
TED-Ed
TED-Ed: How the Suez Canal changed the world | Lucia Carminati
Today, nearly 30% of all global ship traffic passes through the Suez Canal, totaling over 20,000 ships in 2021. The site of the canal had been of interest to rulers as far back as the second millennium BCE, but plans to construct a...
TED-Ed
TED-Ed: The genes you don't get from your parents (but can't live without) | Devin Shuman
Inside our cells, each of us has a second set of genes completely separate from our 23 pairs of chromosomes. And this isn't just true for humans— it's true of every animal, plant, and fungus on Earth. This second genome belongs to our...
TED-Ed
TED-Ed: Why is meningitis so dangerous? - Melvin Sanicas
In 1987, thousands of people gathered in Saudi Arabia for the annual Hajj pilgrimage. But what started out as a celebration led to a worldwide health crisis: more than 2,000 cases of meningitis broke out, spreading across Saudi Arabia...
SciShow
Why are GMOs Bad?
Why are GMOs bad? They aren't. They just aren't, not intrinsically, and certainly not for your health. We've been eating them for decades with no ill effects, which makes sense, because a genetically modified organism is simply an...
TED-Ed
TED-Ed: Which is better: Soap or sanitizer?
Your hands, up close, are anything but smooth. With peaks and valleys, folds and rifts, there are plenty of hiding places for a virus to stick. If you then touch your face, the virus can infect you. But there are two extraordinarily...
SciShow
How Do Flowers Know When to Bloom?
Flowers tend not to own calendars, so how do they know when to bloom?
TED-Ed
TED-Ed: The neuroscience of imagination - Andrey Vyshedskiy
Imagine, for a second, a duck teaching a French class. A ping-pong match in orbit around a black hole. A dolphin balancing a pineapple. You probably haven't actually seen any of these things. But you could imagine them instantly. How...
Crash Course
Agribusiness, GMOs, and their Role in Development: Crash Course Geography
On November 26, 2020, trade unions in India reported that over 250 MILLION people took part in a strike. What could prompt such massive protest? Farming. Today, we’re going to take a closer look at GMOs, which are organisms whose DNA has...
TED-Ed
TED-ED: How to sequence the human genome - Mark J. Kiel
Your genome, every human's genome, consists of a unique DNA sequence of A's, T's, C's and G's that tell your cells how to operate. Thanks to technological advances, scientists are now able to know the sequence of letters that makes up an...
SciShow Kids
Solving Mysteries with Archaeologists!
Learn all about archaeologists: the scientists who solve the great mysteries of human history!
SciShow
Why Does the Earth's Magnetic Field Keep Flipping?
The geographic north pole doesn't always line up with the magnetic north pole, but what do scientists know about this flipping field?
Be Smart
Defusing the Population Bomb
Is overpopulation real? Is Earth filling up with too many humans? How many people can Earth hold, anyway? As our species approaches 8 billion, human overpopulation is a major concern for many people. How can we reduce poverty and our...
SciShow
Thalidomide: The Chemistry Mistake That Killed Thousands of Babies
On October 1, 1957, thalidomide was introduced as a new morning sickness cure. Everything seemed great until later the next year, when thousands of infants were born with severe birth defects.
TED-Ed
TED-Ed: Can wildlife adapt to climate change? - Erin Eastwood
With rising temperatures and seas, massive droughts, and changing landscapes, successfully adapting to climate change is increasingly important. For humans, this can mean using technology to find solutions. But for some plants and...
TED Talks
TED: How to build a resilient future using ancient wisdom | Julia Watson
In her global exploration of Indigenous design systems, architect Julia Watson researches enduring innovations that could help us counter the challenges of climate change. From floating villages to living root bridges that strengthen...
SciShow Kids
Our Ancient Human Cousins!
If you traced your family tree back far enough, you'd see that you're related to all 7 billion people on Earth! And if you trace it back even farther than that you'll find our ancient human cousins, the Neanderthals!
SciShow
Bleaching in the Great Barrier Reef, and a Zika Update
This week on SciShow news we have some very unfortunate reports from scientists concerning the Great Barrier Reef. However, scientists have also created a 3-D model of Zika Virus, which is one step towards finding out how it functions.
Crash Course
The Century of the Gene: Crash Course History of Science
With the question “What is life?” addressed at the molecular level, humanity could finally cure all disease and live forever… Except, not really. It turns out we're complicated.