With just a few lines, cartoons can say so much with so little. In a moving talk, cartoonist Navied Mahdavian shares his process for distilling huge concepts into drawings on the page — and shows how his work helped him grieve the death...

Headlines warn of a world in collapse, but solutions journalist Angus Hervey finds the overlooked triumphs that never make the news — from the rollout of malaria vaccines to the recovery of sea turtles. With hard data and stories from...

Pediatric nurse practitioner Deborah Fisher spent her early career working in intensive care units. The experience convinced her that more needed to be done to improve end-of-life care for children. Now specializing in palliative care at...

You’re alive right now… at least I’m pretty sure you are. But you’re not TOTALLY alive. Bits of you are always breaking down, being thrown out, and being replaced. Even right now, parts of you are dying. Some of your cells even died...

As a death doula, or someone who supports dying people and their loved ones, Alua Arthur spends a lot of time thinking about the end of life. In a profound talk that examines our brief, perfectly human time on this planet, she asks us to...

By combining historical demography and epidemiology, we can (sort of) determine how people throughout history have died.

We all know turtles live an amazingly long time, but what's their secret? And can we apply it to humans?

Some plants and flowers can be beautiful, but also extremely deadly. Join SciShow's Michael Aranda for a look into the top 10 deadliest plants, and find out just how toxic they are to humans and animals. ----------

Hank hates death, so he helps us understand the process of aging, informs us of how scientists are studying ways to prevent it and brings us the exciting news of current research in longevity... for mice.

Imagine that your life began as one of the planet's first humans. After dying, you're reincarnated as the second human ever to live. You then return as the third person, the fourth, the fifth, and so on – living the lives of every human...

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...

Radiation sickness been portrayed in movies and television for more than 50 years. And those portrayals vary a lot. But if there’s one thing pretty much all these portrayals have in common, it’s that they get radiation sickness wrong—at...

The light at the end of the tunnel, the peacefulness, your life flashing before your eyes,it's all been documented thoroughly in pop culture. What usually gets left out, though, are the potential scientific explanations for what happens...

There are a few reasons that modern humans have to brush our teeth to stay healthy, even though our primate cousins don’t. Grab your floss and find the answers inside!

In April 2020, epidemiologist-in-training Sophie Rose volunteered to be infected with the virus that causes COVID-19. As a young, healthy adult, she's offering to take part in a human challenge trial, a study where participants are...

Surprising, but true: More women now die of heart disease than men, yet cardiovascular research has long focused on men. Pioneering doctor C. Noel Bairey Merz shares what we know and don't know about women's heart health -- including the...

Observing the effects of microbes using satellites can give us all sorts of useful information about life on Earth ... and other planets too.

The smaller members of the felid family can purr, but why? Hank takes on this most adorable of life's mysteries in todays episode of SciShow.

The only thing as powerful as our grief is the love we have for those we've lost, says photographer Caroline Catlin. In this meditation on the intersection of life and death, Catlin shares how her personal journey with loss drove her to...

This week on Crash Course World Mythology, it's the Circle of Life. And Death. And sometimes, Life again. Mike Rugnetta is teaching you about Dying Gods, by which I mean gods that die, and then return to life. You'll learn about the Corn...

Sue Desmond-Hellmann is using precision public health -- an approach that incorporates big data, consumer monitoring, gene sequencing and other innovative tools -- to solve the world's most difficult medical problems. It's already helped...

Today, we bring you two surprising effects of the climate crisis: less sleep and more dying trees.

Matthew O’Reilly is a veteran emergency medical technician on Long Island, New York. In this talk, O’Reilly describes what happens next when a gravely hurt patient asks him: “Am I going to die?”

The most cost-effective way to save a human life right now is to help give Vitamin A drops to certain groups of people, thanks to the health effects of the drops and the ease of their distribution.