TED-Ed
TED-Ed: How do pregnancy tests work? - Tien Nguyen
Over-the-counter pregnancy tests give potentially life-changing results with a pretty high rate of accuracy. But how do they work? Tien Nguyen explains how each test performs a scientifically rigorous, multi-stage experiment that goes...
TED Talks
TED: How isolation fuels opioid addiction | Rachel Wurzman
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. What do Tourette syndrome, heroin addiction and social media obsession all have in common? They converge in an area...
TED Talks
TED: Science in service to the public good | Siddhartha Roy
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...
TED-Ed
TED-Ed: How bees help plants have sex - Fernanda S. Valdovinos
Plants have a hard time finding mates -- their inability to get up and move around tends to inhibit them. Luckily for plants, bees and other pollinator species (including butterflies, moths and birds) help matchmake these lonely plants...
TED Talks
Yasheng Huang: Does democracy stifle economic growth?
Economist Yasheng Huang compares China to India, and asks how China's authoritarian rule contributed to its astonishing economic growth -- leading to a big question: Is democracy actually holding India back? Huang's answer may surprise you.
SciShow
Alice Hamilton: The Doctor Who Made Work Safer | Great Minds
During the period of rapid industrialization at the turn of the 20th century, factory jobs were incredibly unsafe. That is, until Dr. Alice Hamilton basically became an investigative reporter to figure out how factories were poisoning...
TED-Ed
TED-Ed: Rusha Modi: What causes heartburn?
Humans have been battling heartburn for hundreds, if not thousands, of years. But recently the incidence has risen, making it a common complaint worldwide. What causes this problem, and how can it be stopped? Rusha Modi details the...
SciShow
5 Things Humans Got Really Wrong About Our Bodies
Throughout history, people have been trying to figure out how our bodies work and how to fix them when things go wrong. This has led to some ideas that, with the benefit of hindsight, seem very strange
Crash Course
How Can Cooperation End an Outbreak? Crash Course Outbreak Science
In 1959, the WHO set out to eradicate smallpox, an ambitious goal that was achieved by 1980. But this goal wouldn't have been possible without coordination on all levels of society. In this episode of Crash Course Outbreak Science, we'll...
TED Talks
TED: How to support and celebrate living artists | Swizz Beatz
Legendary hip-hop producer Swizz Beatz is on a mission to revolutionize the way artists do business. In this glorious talk, he shares some of the ways he's helping fellow creatives thrive, including a roving art fair that gives artists...
TED-Ed
TED-Ed: What did dogs teach humans about diabetes? - Duncan C. Ferguson
Diabetes has a history dating back to Ancient Greece. Our treatment of it, however, is more recent and was originally made possible with the help of man's best friend. Due to physiological traits shared with humans, dogs have saved...
TED-Ed
TED-Ed: History's deadliest colors - J. V. Maranto
When radium was first discovered, its luminous green color inspired people to add it into beauty products and jewelry. It wasn't until much later that we realized that radium's harmful effects outweighed its visual benefits....
TED Talks
TED: It's impossible to have healthy people on a sick planet | Shweta Narayan
The doctrine of "first, do no harm" is the basis of the Hippocratic Oath, one of the world's oldest codes of ethics. It governs the work of physicians -- but climate and health campaigner Shweta Narayan says it should go further. In this...
TED Talks
P.J. Parmar: How doctors can help low-income patients (and still make a profit)
Modern American health care is defined by its high costs, high overhead and inaccessibility -- especially for low-income patients. What if we could redesign the system to serve the poor and still have doctors make money? In an...
TED Talks
TED: Why the hospital of the future will be your own home | Niels van Namen
Nobody likes going to the hospital, whether it's because of the logistical challenges of getting there, the astronomical costs of procedures or the alarming risks of complications like antibiotic-resistant bacteria. But what if we could...
TED Talks
TED: The key to a better malaria vaccine | Faith Osier
The malaria vaccine was invented more than a century ago -- yet each year, hundreds of thousands of people still die from the disease. How can we improve this vital vaccine? In this informative talk, immunologist and TED Fellow Faith...
TED Talks
Myriam Sidibe: The simple power of hand-washing
Myriam Sidibe is a warrior in the fight against childhood disease. Her weapon of choice? A bar of soap. For cost-effective prevention against sickness, it’s hard to beat soapy hand-washing, which cuts down risk of pneumonia, diarrhea,...
TED Talks
TED: Pirates, nurses and other rebel designers | Alice Rawsthorn
In this ode to design renegades, Alice Rawsthorn highlights the work of unlikely heroes, from Blackbeard to Florence Nightingale. Drawing a line from these bold thinkers to some early modern visionaries like Buckminster Fuller, Rawsthorn...
SciShow
COVID Variant Recombination: Threat or Achilles Heel?
Scientists may have found a recombinant variant of COVID-19 in the wild, and its mixed DNA could be essential to the coronavirus life cycle.
TED-Ed
TED-ED: The effects of underwater pressure on the body - Neosha S Kashef
Why would a fish throw up its stomach? What makes a scuba diver develop painful microbubbles in their joints? Neosha S Kashef details the basics of barotrauma, shedding light on how humans and fish alike are influenced by laws of physics...
TED Talks
Noel Bairey Merz: The single biggest health threat women face
Surprising, but true: More women now die of heart disease than men, yet cardiovascular research has long focused on men. Pioneering doctor C. Noel Bairey Merz shares what we know and don't know about women's heart health -- including the...
TED Talks
TED: The breakthrough science of mRNA medicine | Melissa J. Moore
The secret behind medicine that uses messenger RNA (or mRNA) is that it "teaches" our bodies how to fight diseases on our own, leading to groundbreaking treatments for COVID-19 and, potentially one day, cancer, the flu and other ailments...
TED Talks
Maryn McKenna: What do we do when antibiotics don't work any more?
Penicillin changed everything. Infections that had previously killed were suddenly quickly curable. Yet as Maryn McKenna shares in this sobering talk, we've squandered the advantages afforded us by that and later antibiotics....
SciShow
Do You Need 10,000 Steps a Day?
There are a whole lot of people out there who have bought into the notion that, in order to be physically fit, you should aim for taking 10,000 steps a day. But where did this idea come from, and how did we all agree on this magical,...