TED Talks
Ted: Ted Ed: The Story of Cholera
This video by Yoni Goodman and the Global Health Media Project tells the story of cholera in one village. [4:29]
TED Talks
Ted: Ted Ed: How Plants Tell Time
Morning glories unfurl their petals like clockwork in the early morning. A closing white waterlily signals that it's late afternoon. And moon flowers, as their name suggests, only bloom under the night sky. What gives plants this innate...
TED Talks
Ted: Ted Ed: What's the Big Deal With Gluten?
If you've been to a restaurant in the last few years, you've likely seen the words gluten-free written somewhere on the menu. But what exactly is gluten, and why can't some people process it? And why does it only seem to be a problem...
TED Talks
Ted: Ted Ed: How Brain Parasites Change Their Host's Behavior
The biggest challenge in a parasite's life is to move from one host to another. Intriguingly, many parasites have evolved the ability to manipulate the behavior of their hosts to improve their own survival- sometimes even by direct brain...
TED Talks
Ted: Ted Ed: Why Sitting Is Bad for You
Sitting down for brief periods can help us recover from stress or recuperate from exercise. But nowadays, our lifestyles make us sit much more than we move around. Are our bodies built for such a sedentary existence? Murat Dalkilinc...
TED Talks
Ted: Ted Ed: How Does It Grow? Cranberries
Nicole Jolly and the "How Does it Grow?" team take us underwater and high overhead to learn all about cranberries. [5:22]
TED Talks
Ted: Ted Ed: How Spontaneous Brain Activity Keeps You Alive
Nathan S. Jacobs takes us inside the always active, surprisingly spontaneous brain. [5:18]
TED Talks
Ted: Ted Ed: How Do Vaccines Work?
The first ever vaccine was created when Edward Jenner, an English physician and scientist, successfully injected small amounts of a cowpox virus into a young boy to protect him from the related (and deadly) smallpox virus. But how does...
TED Talks
Ted: Ted Ed: The Benefits of a Good Night's Sleep
Shai Marcu shows how sleep restructures your brain in a way that's crucial for how our memory works. [5:44]
TED Talks
Ted: Ted Ed: What We Know (And Don't Know) About Ebola
Alex Gendler details what Ebola is and why it's so hard to study. [4:01]
TED Talks
Ted: Ted Ed: What Happens When You Remove the Hippocampus?
When Henry Molaison cracked his skull in an accident, he began blacking out and having seizures. In an attempt to cure him, daredevil surgeon Dr. William Skoville removed his hippocampus. Luckily, the seizures did go away- but so did his...
TED Talks
Ted: Ted Ed: How Bees Help Plants Have Sex
Fernanda S. Valdovinos explains how intricate pollination networks work and how it can all change from one season to the next. [5:25]
TED Talks
Ted: Ted Ed: Population Pyramids: Powerful Predictors of the Future
Kim Preshoff explains how using a visual tool called a population pyramid helps policymakers and social scientists make sense of the statistics, using three different countries' pyramids as examples. [5:01]
TED Talks
Ted: Ted Ed: How We'll Stop Polio for Good
Aylward lays out the plan to continue the scientific miracle that ended polio in most of the world- and to snuff it out everywhere, forever. [23:00]
TED Talks
Ted: Ted Ed: Sugar: Hiding in Plain Sight
Robert Lustig decodes confusing labels and sugar's many aliases to help determine just how much of that sweet carbohydrate makes its way into our diets. [4:04]
TED Talks
Ted: Ted Ed: The Science of Spiciness
Rose Eveleth details the science and history behind spicy foods, giving insights into why some people continue to pay the painful price for a little spice. [3:54]
TED Talks
Ted: Ted Ed: What Percentage of Your Brain Do You Use?
Two thirds of the population believes a myth that has been propagated for over a century: that we use only 10% of our brains. Hardly! Our neuron-dense brains have evolved to use the least amount of energy while carrying the most...
TED Talks
Ted: Ted Ed: Should We Eat Bugs?
What's tasty, abundant and high in protein? Bugs! Although less common outside the tropics, entomophagy, the practice of eating bugs, was once extremely widespread throughout cultures. Insects hold promise for food security and the...
TED Talks
Ted: Ted Ed: How We Conquered the Deadly Smallpox Virus
For 10,000 years, humanity suffered from the scourge of smallpox. The virus killed almost a third of its victims within two weeks and left survivors horribly scarred. But Simona Zompi commends the brave souls- a Buddhist nun, a boy, a...
TED Talks
Ted: Ted Ed: Can We Eat to Starve Cancer?
William Li presents a new way to think about treating cancer and other diseases: anti-angiogenesis, preventing the growth of blood vessels that feed a tumor. The crucial first step: Eating cancer-fighting foods that cut off the supply...
TED Talks
Ted: Ted Ed: The Physics of Human Sperm vs. the Physics of the Sperm Whale
Traveling is extremely arduous for microscopic sperm- think of a human trying to swim in a pool made of other humans. We can compare the journey of a sperm to that of a sperm whale by calculating the Reynolds number, a prediction of how...
TED Talks
Ted: Ted Ed: Gravity and the Human Body
Our bodies function necessarily under the presence of gravity; how blood pumps, a sense of balance and bone growth are all due to life in a world where gravity is an inescapable reality. Armed with experiments from neuroscientists David...
TED Talks
Ted: Ted Ed: Protecting the Brain Against Concussion
Neuropsychologist Kim Gorgens makes the case for better protecting our brains against the risk of concussion- with a compelling pitch for putting helmets on kids. [9:22]
TED Talks
Ted: Ted Ed: The Terrors of Sleep Paralysis
Ami Angelowicz describes just how pervasive (but harmless) sleep paralysis is and introduces a cast of characters from sleep paralysis around the world. [4:49]