TED-Ed
TED-ED: The past, present and future of the bubonic plague - Sharon N. DeWitte
The bubonic plague, which killed around 1/5 of the world's population in the 14th century, is still around today -- but it now claims only a few thousand lives each year. How did that number shrink so drastically? Sharon N. DeWitte...
TED-Ed
TED-Ed: How do steroids affect your muscles— and the rest of your body? | Anees Bahji
Steroids. They've caused global scandals. They're banned in most athletic competitions. Yet the same properties that help elite athletes and bodybuilders improve performance also make steroids valuable for treating many illnesses and...
TED Talks
TED: 5 needs that any COVID-19 response should meet | Kwame Owusu-Kesse
Crisis interventions often focus on a single aspect of a big, complicated problem, failing to address the broader social and economic context. Kwame Owusu-Kesse describes how the Harlem Children's Zone is taking a more holistic approach...
SciShow
Bad Science: Breast Milk and Formula
We've all heard, “breast is best," but is it true? What's the real science behind breast milk and baby formula?
TED-Ed
TED-Ed: What is Alzheimer's disease? - Ivan Seah Yu Jun
Alzheimer's disease is the most common cause of dementia, affecting over 40 million people worldwide. And though it was discovered over a century ago, scientists are still grappling for a cure. Ivan Seah Yu Jun describes how Alzheimer's...
TED-Ed
TED-Ed: Earth's mysterious red glow, explained | Zoe Pierrat
In 2009, a satellite circled Earth, scanning and sorting the wavelengths reflecting off the planet's surface. Researchers noticed something baffling: an unexpected wavelength of unknown origin. They tried looking at Earth with only this...
TED-Ed
TED-Ed: Why are eating disorders so hard to treat? | Anees Bahji
Globally, about 10% of people will experience an eating disorder during their lifetime. And yet, eating disorders are profoundly misunderstood. Misconceptions about everything from symptoms to treatment make it difficult to navigate an...
TED Talks
Ellen 't Hoen: Pool medical patents, save lives
Patenting a new drug helps finance its immense cost to develop -- but that same patent can put advanced treatments out of reach for sick people in developing nations, at deadly cost. Ellen 't Hoen talks about an elegant, working solution...
TED Talks
TED: Why medicine often has dangerous side effects for women | Alyson McGregor
You might not know this: Many of the medicines we take -- common drugs like Ambien and everyday aspirin -- were only ever tested on men. And the unknown side effects for women can be dangerous, even deadly. Alyson McGregor studies the...
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...
Crash Course
Your Immune System: Natural Born Killer - Crash Course Biology
Hank tells us about the team of deadly ninja assassins that is tasked with protecting our bodies from all the bad guys that want to kill us - also known as our immune system.
SciShow
Preventing Cancer? Scientists Try Combining Three Strategies
What Do Exercise, Omega-3s, and Vitamin D Have in Common? Cancer. In a study published this week in the journal Frontiers in Aging, researchers propose a combination of simple strategies to help prevent the development of invasive...
TED Talks
TED: The link between inequality and anxiety | Richard Wilkinson
Why are global levels of anxiety and depression so high? Social epidemiologist Richard Wilkinson presents compelling data on the impact of inequality on mental health and social relationships in countries around the world. "Inequality,"...
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...
SciShow
A Constipation Drug Could Improve Memory | SciShow News
Could you enter a flow state with the people around you? Also we've found a promising drug for treating mental illness, and it might not come from where you expect.
SciShow
6 Ways Animals Prevent Epidemics
Humans aren’t the only ones who have to worry about epidemics: meet six other animals who take their own precautions to avoid getting sick! Chapters pathogens 0:40 vectors 1:15 VECTOR AVOIDANCE: BLUEBIRDS 2:19 social immunity 3:35...
TED Talks
Elizabeth Howell: How we can improve maternal healthcare -- before, during and after pregnancy
Shocking, but true: the United States has the highest rate of deaths for new mothers of any developed country -- and 60 percent of them are preventable. With clarity and urgency, physician Elizabeth Howell explains the causes of maternal...
TED Talks
TED: The incredible cancer-detecting potential of photoacoustic imaging | Lei Li
Could we use the energy from light and sound to detect disease? TED Fellow Lei Li shares the exciting promise of photoacoustic imaging: an affordable, painless and accurate method of converting light into sound in order to create...
TED Talks
T. Morgan Dixon and Vanessa Garrison: The trauma of systematic racism is killing Black women. A first step toward change...
T. Morgan Dixon and Vanessa Garrison, founders of the health nonprofit GirlTrek, are on a mission to reduce the leading causes of preventable death among Black women -- and build communities in the process. How? By getting one million...
SciShow
Cannibalism, Zombies & Suicidal Cells: The Latest In Cancer Research
Hank shares some developments in cancer research, from new insights into the behavior of zombie cancer cells, to a new method that uses nanotechnology to kill cancer from within.
SciShow
5 Animals That Sleep Too Much (and One That Might Not Need To)
In the animal kingdom, sleeping can be dangerous. Lying completely motionless and unconscious for hours at a time is just asking for trouble. There are, however, some sleepy risk-takers who spend almost all of their days snoozing.
SciShow
Could We Spot Alzheimer’s Early With RNA? | SciShow News
Detecting diseases early can be a big help when it comes to treating them, and researchers may have gotten one step closer to diagnosing Alzheimer's with a simple blood test.
TED Talks
TED: What we don't know about mother's milk | Katie Hinde
Breast milk grows babies' bodies, fuels neurodevelopment, provides essential immunofactors and safeguards against famine and disease -- why, then, does science know more about tomatoes than mother's milk? Katie Hinde shares insights into...
SciShow
The Not-So-Silver Lining: When Positive Thinking Backfires
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.