When does vision loss become blindness? This week we're revisiting a talk by writer, audio producer and editor Andrew Leland as he explains how his gradual loss of vision revealed a paradoxical truth about blindness — and shows why it might have implications for how all of us see the world.Autor: TED

What makes for a meaningful life? Social psychologist Brian S. Lowery explores three ideas tied to the experience of meaning and shows why simply pursuing personal achievements isn't the best way to find it.Autor: TED

In athletics, in business, in life, everyone sets goals. But that's not the way to excel, according to former NFL player Emmanuel Acho, now an author and TV sports analyst. Here's what he says to do instead.Autor: TED

To protect against a possible resurgence of smallpox, the US government is funding research to improve treatments and vaccines. And since it's unethical to expose people to a highly lethal virus, labs are using monkeys as research subjects. But is it right to harm these animals to protect humanity from a potential threat? Rebecca L. Walker takes a …

Drawing on her research into the science of play, evolutionary biologist Carole K. Hooven delves into how testosterone impacts the body and brain, interacting with culture to create differences in human behavior — starting with why boys tend to prefer rougher play than girls.Autor: TED

Everyone loses their temper from time to time — but the stakes are dizzyingly high when the focus of your fury is your own child. This week we're revisiting a talk by clinical psychologist and renowned parenting whisperer Becky Kennedy. Not only does she have practical advice to help parents manage the guilt and shame of their not-so-great moments …

"Life is an endless sushi conveyor belt of things that are going to test you and teach you at the same time," says writer Laurel Braitman. Exploring the relationship between bravery and fear, she shares hard-won wisdom on love, loss, self-forgiveness and how to embrace the full spectrum of human emotions.…

The way we raise animals is destructive to humans, animals and the environment, says cardiologist and entrepreneur Uma Valeti. He presents a solution that doesn't require you to give up your favorite protein-packed meals: cultivated meat, grown directly from animal cells. Reportedly some of the "most chicken-y chicken" you'll taste, Valeti envision…

Are babies oblivious to danger? It's not that simple, says cognitive scientist Shari Liu. Sharing surprising insights from studies of early human development, Liu highlights the unexpected ways babies perceive and respond to risky situations — and what these findings could unravel about the inner workings of our minds.…

Can conflict actually bring you and your partner closer? It depends on how you fight, say Julie and John Gottman, the world's leading relationship scientists. They share why the way couples fight can predict the future of their relationships — and show how anybody can transform conflict into an opportunity for deeper connection and understanding.…

Physician-scientist Anna Greka investigates the world's rarest genetic diseases, decoding the secrets of our cells through "molecular detective work." This week we're revisiting her talk which explains how her team is using new, advanced technology to solve decades-old medical mysteries — and shows how this work could help develop precision treatme…

What's the relationship between physical and mental pain, and how can you ease both? Revealing how your experiences of love, loss and pain are deeply intertwined, neuroscientist Yoram Yovell sheds light on the surprising role of your brain's endorphins and opioid receptors to ease physical and emotional suffering — and shows how this connection cou…

Biomedical researcher Sonia Vallabh's life was turned upside down when she learned she had the genetic mutation for a rare and fatal illness, prion disease, that could strike at any time. Thirteen years later, her search for a cure has led to new insights about how to catch and prevent disease — and how to honor our grandest, most mysterious inheri…

What if you could transform your anxiety into something you can actually use during your work day? This week, we're revisiting a talk by neuroscientist Wendy Suzuki, who shares two evidence-based activities — breathing and movement — that can soothe your nervous system and fuel creativity and connection.…

What you experience through your senses — sight, smell, hearing, taste and touch — can impact how healthy you are and how long you live, says neurobiologist Christi Gendron. She explores how environmental cues like temperature, light and even just the sight of death have influenced the lifespan of fruit flies, suggesting your everyday perceptions m…

Here's a conundrum: the same aerosol pollutants that harm human health also help cool the climate, says atmospheric scientist Sarah J. Doherty. Is there a way to clean up the air without warming the planet? Exploring the unintended consequences of reducing air pollution, she makes the case for a better understanding of marine cloud brightening — or…

Countries around the world waste huge amounts of food every year: roughly a fifth of food items in the US are tossed because consumers aren't sure how to interpret expiration labels. But most groceries are still perfectly safe to eat past their expiration dates. If the dates on our food don't tell us that something's gone bad, what do they tell us?…

Organ transplants save lives, but they come with challenges: every minute a healthy donated organ is on ice increases risk. And even if things go perfectly, rejection of the organ is still possible. Cardiothoracic surgeon Abbas Ardehali introduces cutting-edge medical advances in machine perfusion — a portable platform that keeps organs alive outsi…

"Everybody pees and poops — and we know that urine and stool contain a rich source of information on our health," says data detective Newsha Ghaeli. Exploring the growing field of wastewater epidemiology, she shows how studying sewage can (anonymously) reveal a lot about the collective well-being of our cities — leading to real-time quality-of-life…

On average, adults catch more than 150 colds throughout their lives. Even with similar symptoms, the cause could be different each time. Common colds are caused by at least 8 different families of virus, each of which can have its own subtypes. How can so many different viruses cause the same illness? And is a cure even possible? Explore the two ma…

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 the difference in sexual expectations of men and women in midlife due to societal norms, Sophocles advocates for …

Everything our bodies do— whether physical or mental— uses energy. Studies have found that many individuals seem to have a daily threshold for making decisions, and an extended period of decision-making can lead to cognitive exhaustion. So, what kinds of choices lead us to this state, and what can we do to fight fatigue? Explore the psychology of d…

Isn’t it odd that, when something’s funny, you might show your teeth, change your breathing, become weak and achy in some places, and maybe even cry? In other words, why do we do this bizarre thing that is laughter? Since there’s no archaeological record of laughter, it’s impossible to say exactly how and why it evolved, but scientists have some th…

Catching cancer at its earliest stages saves lives. But in a body made up of trillions of cells, how do you spot a small group of rogue cancer cells? Biomedical researcher Hani Goodarzi discusses his lab's discovery of a new class of RNAs that, when paired with emerging AI tools, could help detect cancer earlier, more precisely and even through rou…

Since humanity’s earliest days, we’ve been plagued by countless disease-causing pathogens. Invisible and persistent, these microorganisms and the illnesses they incur have killed more humans than anything else in history. But which disease has been the deadliest? Dan Kwartler digs into how human progress and innovation throughout history exposed us…