You can dye your hair, you can get a tan, but the color of your eyes is pretty much set in stone - or is it? From weird diseases to temper flare-ups and even iris implants, here are just a few ways that your eye color might not be so...

Duncan Keegan doesn't consider himself a poet, but this deeply beautiful talk shows otherwise. With simple grace and quiet eloquence, he celebrates family, connection and togetherness, often most called for at the hardest of times.

Palm oil is in nearly every commodity you use — food, shampoo, makeup and more — but harvesting this essential material has contributed to the destruction of millions of hectares of forests globally. Sustainability leader Andika...

Your optometrist can tell you if you're at risk for cardiovascular disease, Alzheimer's, or diabetes. And it's all thanks to James Bond-style retinal scanners.

Menopause isn't just hot flashes, says gynecologist and sexual medicine specialist Maria Sophocles. It's often accompanied by overlooked symptoms like painful sex or loss of libido. Shedding light on what she calls the "bedroom gap," or...

Prolonged grief disorder recently debuted in both of the two manuals that clinicians use to diagnose psychological conditions. But the DSM and the ICD don't completely agree on what it is.

US Congresswoman Lucy McBath has made it her mission to seek bipartisan solutions for gun safety, leading the way in sponsoring so-called "red flag" laws that prevent gun violence and mass shootings. In a searing and timely talk, she...

There is one - and only one - group of mammals that doesn’t have alpha-gal: the catarrhine primates, which are the monkeys of Africa and Asia, the apes, and us.

We’re the only primate without a coat of thick fur. It turns out that this small change in our appearance has had huge consequences for our ability to regulate our body temperature, and ultimately, it helped shape the evolution of our...

As winter approaches, V-shaped flocks glide overhead as the world's birds begin their long treks to warmer climates. Humans used to have some pretty crazy theories about where birds went for winter, like the moon, or to the bottom of...

Unexpected change like an accident, an illness or a relationship that suddenly ends is inevitable -- and disorienting. With a heartfelt and optimistic take on life's curveballs, cognitive scientist Maya Shankar shares how these...

The strange, sooty fungus growing on distillery walls has long been considered part of the process of making barrel-aged boozy beverages. And this fungus has a lot of tricks up its sleeve to make the most out of ethanol, which to most...

The Five Stages of Grief show up in media everywhere from The Simpsons to Robot Chicken, but scientists have long been working on better ways to think about grief.

You Can "Catch" Alzheimer's Disease

Despite common belief, retirement takes more than financial planning. And while you may be beyond ready to go on permanent vacation, you also have to psychologically prepare for when the novelty wears off. Riley Moynes explains the four...

You may think you know all about hypnosis from the movies. Zoolander, The Manchurian Candidate, etc... but there's a whole lot more going on. In this episode of Crash Course Psychology, Hank tells us about some of the many altered states...

Introducing a new type of public space, custom-fit for communities in need of a shot of hope and wonder. Artist and TED Fellow Matthew Mazzotta takes us across the US, sharing delightful projects that refresh space and place, spark...

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...

It may seem like there isn’t a lot going on in a baby’s brain. But as we continue to study them and our relationship with them, we begin to understand more about the complexities behind those big eyes, and this compilation takes a look...

Hurricane Walaka wiped out a small Hawaiian island, which could be devastating for some endangered animals, and new research says that we might be wrong about the origins of giant tortoises.

For a respiratory disease, COVID-19 sure seems to affect more than just the respiratory system. Scientists think the receptor ACE2 is to blame.

When we experience loss, grief travels with us everywhere -- even work. What can companies do to support grieving employees? Sharing his own story of unimaginable heartbreak, Tilak Mandadi offers three ways organizations can cultivate a...

Picture your favorite place in nature. How would you feel if it disappeared tomorrow? In this love letter to the planet, social worker and environmental activist Knut Ivar Bjørlykhaug invites us to confront the deep, difficult emotions...

A lot of people with coughs or fevers might be stressing out these days because they are worried that they have COVID-19. But with cold and flu season still in full swing, and the spring allergy season starting up (in the Northern...