In his 2000 bestseller "The Tipping Point," Malcolm Gladwell told the story of why crime fell in New York City in the 1990s. Now, 25 years later, he's back with a confession and a mea culpa: "I was wrong," he says. He shares how his...

Our DNA holds evidence of a huge, ancient pandemic, one that touched many different species, spanned the globe, and lasted for more than 15 million years.

You may have heard about the Six Degrees of Separation phenomenon, but it isn't just a fun celebrity game, it helps scientists understand the spread of epidemics, the structure of the internet, and even the neural networks in your brain!

If we’ve had vaccines for the polio virus for almost 70 years, why haven’t we been able to fully eradicate it from the globe? Hosted by: Hank Green (he/him)

There's still no vaccine and no cure, but the medical community is increasingly focused on ambitious plans to bring about an end to HIV/AIDS. The NewsHour launches its series, "The End of AIDS?" with a look at intense prevention and...

Central Asia and Eastern Europe have the world's fastest growing HIV epidemic, and Russia accounts for more than 80 percent of those infections. As at-risk groups like injection drug users are stigmatized and ignored, health officials...

Rwanda emerged from its genocide in 1994 to build one of the most successful AIDS responses in Africa and is now working mightily to halt mother-to-child HIV transmissions. They're doing it with a creative mix of science, technology and...

Nearly one in 10 Americans living with HIV live in New York, where an ambitious plan aims to cut new infections and HIV-related deaths. But the state has serious challenges, including keeping people on their meds, and preventing the...

A massive HIV test-and-treat study is underway in Kenya and Uganda. Migratory men in the fishing industry there have been hit especially hard, and researchers are trying creative ways to encourage them to get tested. William Brangham...

The tourist mecca of Miami is also a hotbed of HIV transmission. While city and state officials have launched an ambitious plan to tackle the crisis, William Brangham and Jason Kane join Jon Cohen of Science magazine to look at how and...

While Dr. Anthony Fauci of the National Institutes of Health and other

health experts are hopeful vaccines will make a real difference in mana
ging
COVID-19, some of the pandemic's challenges are likely to pers
ist for a...

Nearly one in five people infected with HIV globally lives in South Africa, and only half of those individuals are on treatment. But the nation has made major strides against the virus in recent years and now is aggressively moving to...

The epicenter of the AIDS epidemic in America is Atlanta and the southeast, and among the hardest hit populations are gay and bisexual black men. According to the CDC, half of them will be diagnosed with HIV in their lifetimes if current...

When we think of how we respond to outbreaks, we often think of physical things like vaccines or medicines, but there is another factor that is just as critical to understand: culture! Culture determines how we collaborate and use the...

From outbreaks of measles in the United States and cholera in Haiti to patterns of lead poisoning near gold mines in Nigeria, medical geographers play an important role in tracking disease in the landscape. Today, we're going to look at...

Sometimes, diagnosing patients is pretty easy, but other times... not so much. Luckily, in a medical setting we have tools that can help us figure out what's wrong with patients, and how to help them. In this episode of Crash Course...

Public health activities are all the ways society coordinates to deliver better health to people. That may sound super broad, and it is, so in this episode of Crash Course Outbreak Science, we'll take a look at public health works to...

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...

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!

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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...

New research says that even lemurs benefit from networking skills and some frogs are finally bouncing back from the Chytrid epidemic.

After mapping humans' intricate social networks, Nicholas Christakis and colleague James Fowler began investigating how this information could better our lives. Now, he reveals his hot-off-the-press findings: These networks can be used...

Public libraries have always been about more than just books -- and their mission of community support has taken on new urgency during the current opioid epidemic. After witnessing overdoses at her library in Philadelphia, Chera Kowalski...

In today's news, Michael Aranda stands in for Hank to talk about this year's flu season. <br/>
And no, Hank isn't out sick with the flu - he's on the road and out of the studio for a few weeks!