TED Talks
TED: What will humans look like in 100 years? | Juan enriquez
We can evolve bacteria, plants and animals -- futurist Juan enriquez asks: Is it ethical to evolve the human body? In a visionary talk that ranges from medieval prosthetics to present day neuroengineering and genetics, enriquez sorts out...
TED Talks
Akash Manoj: A life-saving device that detects silent heart attacks
You probably know the common symptoms of a heart attack: chest and arm pain, shortness of breath and fatigue. But there's another kind that's just as deadly and harder to detect because the symptoms are silent. In this quick talk,...
TED Talks
TED: A new way to heal hearts without surgery | Franz Freudenthal
At the intersection of medical invention and indigenous culture, pediatric cardiologist Franz Freudenthal mends holes in the hearts of children across the world, using a device born from traditional Bolivian loom weaving. "The most...
SciShow
How Did We Figure Out What a Heart Attack Was?
Heart attacks are the number 1 cause of death worldwide in the 21st century, but we weren't sure what caused them until 1980.
Crash Course
Parasympathetic Nervous System: Crash Course A&P
This week we are looking at your parasympathetic division, which is the "resting and digesting" unit. Unfortunately, learning about this de-stressing division also involves a whole lot of memorization. Don't worry, though - we've got...
SciShow
Great Minds: Leonardo da Vinci
Leonardo da Vinci was one of the most diversely talented individuals of all time. His "unquenchable curiosity" led him to make discoveries and inventions that were beyond his time, not to mention his numerous artistic masterpieces. Today...
TED-Ed
TED-Ed: The surprising effects of pregnancy | TED-Ed
Muscles and joints shift and jostle. The heart's pounding rhythm speeds up. Blood roars through arteries and veins. Over the course of a pregnancy, every organ in the body changes. Initiated by a range of hormones, these changes begin as...
SciShow
New Earth-Size Planet and a Solar Eclipse
Caitlin Hofmeister gives you the latest news from around the universe, including Kepler's latest exoplanet discovery, an upcoming solar eclipse, and a breathtaking image from Hubble.
Be Smart
Sunburn, Sweat and the Science of Summer!
A summertime look at why we sweat, why we burn, and why our fingers wrinkle in the pool
Crash Course
How to Become a Better Negotiator: Crash Course Business - Soft Skills
You've prepped and now it's time to actually negotiate. In this episode of Crash Course Business, Evelyn talks to us about how to make sure we take care of ourselves and get what we're looking for out of a negotiation.
TED Talks
Jon M. Chu: The pride and power of representation in film
On the heels of the breakout success of his film "Crazy Rich Asians," director Jon M. Chu reflects on what drives him to create -- and makes a resounding case for the power of connection and on-screen representation.
SciShow
Can You Get Too Much Sleep?
Are you someone who likes to hit the snooze button four or five times before waking up? Do you have to be physically pulled out of bed every morning? Do you ever wonder if that's normal and healthy? Well, this episode is for you!
TED Talks
TED: How to find joy in climate action | Ayana Elizabeth Johnson
We can all play a role in the climate movement by tapping into our skills, resources and networks in ways that bring us satisfaction, says climate leader Ayana Elizabeth Johnson. She suggests drawing a Venn diagram to map these...
SciShow
The Truth About 5 Health Food Trends | Compilation
We humans love a good health food trend, but sometimes it can be hard to sort out the facts from the fiction. So over the years, we here at SciShow have hit up the research and set the record straight.
TED Talks
TED: Tales of passion | Isabel Allende
Author and activist Isabel Allende discusses women, creativity, the definition of feminism -- and, of course, passion -- in this talk.
SciShow
Weird Things Whales Lost on Their Journey to the Sea
When the ancestor of cetaceans went back into the water some 50 million years ago, it left a few things behind—including the functioning of certain genes that seem like they’d be hard to live without.
TED Talks
TED: Different ways of knowing | Daniel Tammet
Daniel Tammet has linguistic, numerical and visual synesthesia -- meaning that his perception of words, numbers and colors are woven together into a new way of perceiving and understanding the world. The author of "Born on a Blue Day,"...
TED Talks
TED: How to fix a broken heart | Guy Winch
At some point in our lives, almost every one of us will have our heart broken. Imagine how different things would be if we paid more attention to this unique emotional pain. Psychologist Guy Winch reveals how recovering from heartbreak...
TED Talks
TED: Nature. Beauty. Gratitude. | Louie Schwartzberg
Nature’s beauty can be fleeting -- but not through Louie Schwartzberg’s lens. His stunning time-lapse photography, accompanied by powerful words from Benedictine monk Brother David Steindl-Rast, serves as a meditation on being grateful...
SciShow
Why Multitask While Driving Isn't a Good Idea
Driving can be dangerous, especially if you’re trying to juggle a variety of distractions while barreling down a busy highway. So scientists are looking into ways to keep us focused on the task at hand, even if you’re traveling in an...
SciShow
Bioprinting and Pig Chimeras: The Possible Future of Organ Transplants
From bioprinting to growing organs in non-human animals, doctors and scientists are looking at different ways to make organ transplants a less challenging procedure.
SciShow
How Can One Person's Blood Save 2 Million Babies?
An Australian man named James Harrison holds the world record for most blood donations. His blood has saved the lives of millions of newborn babies, but how can one man's blood help babies all over the world?
TED Talks
TED: Wild Women | Sunni Patterson
With lightning on her tongue, Sunni Patterson performs her powerful poem, "Wild Women," accompanied by the entrancing moves of dancer Chanice Holmes.
SciShow
Carcolepsy: Why Do We Get Sleepy in Cars?
It turns out there are number of aspects of driving that can potentially conspire to lull our bodies into a potentially dangerous state of drowsiness.