What is killing the Tasmanian devil? A virulent cancer is infecting them by the thousands -- and unlike most cancers, it's contagious. Researcher Elizabeth Murchison tells us how she's fighting to save the Taz, and what she's learning...

While cases of Monkeypox are being found worldwide, the nature of the disease and the science we currently have available keeps concerns from growing.

Invasion of the Yellow Crazy Ants!

Squeaks almost lost a balloon outside, but what would have happened to it had it floated away into the sky?

Raymond Wang is only 17 years old, but he's already helping to build a healthier future. using fluid dynamics, he created computational simulations of how air moves on airplanes, and what he found is disturbing -- when a person sneezes...

We’re all susceptible to infectious disease of some kind or other, but not everyone is equally likely to be the victim of an outbreak. The fact is, inequalities both between and within communities mean that some people are at higher risk...

You look really pretty, but what are you actually putting all over your face?

New variants of SARS-CoV-2 have emerged throughout the COVID-19 pandemic, with the latest one being Omicron. We’re still trying to learn about its effects and what it means for the overall course of the pandemic, but here’s what we know...

The iconic move from Star Fox seems so easy, just press a button and BOOM. The ship rolls. But HOW? Barrel rolls in atmosphere are easy to execute with the use of ailerons, but in space, it's a different issue altogether. With no...

Finding the right mate is no cakewalk -- but is it even mathematically likely? In a charming talk, mathematician Hannah Fry shows patterns in how we look for love, and gives her top three tips (verified by math!) for finding that special...

In 2014, the world avoided a global outbreak of Ebola, thanks to thousands of selfless health workers -- plus, frankly, some very good luck. In hindsight, we know what we should have done better. So, now's the time, Bill Gates suggests,...

How likely is a 21st-century epidemic of the plague? Unlike other diseases, the plague is alive and well in some parts of the world, but scientists and doctors are continuing to develop better treatments.

As natural garbage collectors, vultures are vital to our ecosystem -- so why all the bad press? Why are so many in danger of extinction? Raptor biologist Munir Virani says we need to pay more attention to these unique and misunderstood...

Certain cognitive biases cause humans to make unsafe decisions in a pandemic, making a terrible disease even worse.

The Biggest Organism on Earth

One of the most fundamental ideas in physics is that the disorder of the universe, also known as entropy, is constantly increasing. But, life’s inherent chemical makeup has been hacking the disorder of the universe for billions of years!

At least some advanced civilizations might be producing tons of waste heat by now. And researchers are looking for them.

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Hans Rosling unveils data visuals that untangle the complex risk factors of one of the world's deadliest (and most...

What happens if you get infected with the coronavirus? Who's most at risk? How can you protect yourself? Public health expert David Heymann, who led the global response to the SARS outbreak in 2003, shares the latest findings about...

The year is 1656. Your body is wracked by violent chills. Your head pounds and you're too weak to sit up. In your feverish state, you see a strange-looking man wearing a beak-like mask, his body covered from head to toe. Without seeing...

We've all dreamed of flying -- but for Richard Browning, flight is an obsession. He's built an Iron Man-like suit that leans on an elegant collaboration of mind, body and technology, bringing science fiction dreams a little closer to...

In this talk from 2003, design critic Don Norman turns his incisive eye toward beauty, fun, pleasure and emotion, as he looks at design that makes people happy. He names the three emotional cues that a well-designed product must hit to...

Hank gets straight to the facts in the unfortunate case of Aimee Copeland, who was injured during a zip-lining accident and subsequently contracted a rare disease.

Getting kicked anywhere hurts, but getting kicked in the groin REALLY hurts for a few different reasons.