TED Talks
TED: How stem cells orchestrate healing — and how to speed it up | Kevin Stone
From synthetic embryos to lab-grown skin, we live in a brave new world of stem cell advances. So why can it still take years to recover from injury? Orthopedic surgeon Kevin Stone is working to accelerate the body's healing response so...
SciShow
Hacking the Brain to Treat Tinnitus
Start speaking a new language in 3 weeks with Babbel. Get up to 60% off in your subscription here: https://go.babbel.com/t?bsc=1200m60-y... Tinnitus, or ringing in the ears, often accompanies hearing loss, and usually has no treatment....
PBS
The Neanderthals That Taught Us About Humanity
Throughout the first half of the 20th century, Neandertals were thought to have been…primitive. Unintelligent, hunched-over cavemen, for lack of a better word. But the discoveries made in that Iraqi cave provided some of the earliest...
SciShow
Why You Have to Blink to Walk
When we picture the first tetrapods, or land vertebrates, crawling out of the ocean, we probably imagine they need legs. But evolution also had to bestow another important adaptation before they could leave the water: blinking!
SciShow
Could a Perfume Ingredient Save ER Patients?
Sometimes, major injury causes blood loss that results in improper clotting, or coagulopathy. Some researchers think a compound used in perfume to create jasmine fragrances could help save these patients.
SciShow
This Neuron Helps People Walk Again | SciShow News
There’s been some big news in neuron science this week as individuals suffering paralysis regain mobility and music might have a secret that gets us to dance.
SciShow
What are Scars?
Almost everyone has a scar that tells a story, but have you ever wondered why exactly scars form in the first place?
SciShow
Ancient Plagues & A New Pandemic
Hank explores the science behind the topics of the day, including a look at the current "pandemic" of concussions in professional sports and new insights into what really caused the worst plagues in human history, and what it portends...
SciShow
Why Smoking Makes It Harder to Heal
If a doctor has told you to quit smoking, that's not just because they're worried about lung cancer. Those cigarettes are messing up your body's natural healing process in more ways than one.
SciShow
The Sensor That Dissolves in Your Brain
In this week's SciShow News, we discuss two new types of sensors being developed. One tracks the content of certain molecules in your sweat while you exercise and the other is a brain implant that can be resorbed once it has finished its...
SciShow
Baboons With 2 Hearts & Pigs With Human DNA
Hank reveals two breakthroughs in the burgeoning science of xenotransplantation, the transplant of tissues across species. By the end of it, you'll want to hug your nearest pig!
TED Talks
TED: There's more to life than being happy | Emily Esfahani Smith
Our culture is obsessed with happiness, but what if there's a more fulfilling path? Happiness comes and goes, says writer Emily Esfahani Smith, but having meaning in life -- serving something beyond yourself and developing the best...
SciShow
Football Disease, Moon Base Dreams, and the Deepest Vents Ever!
Hank breaks the news to you about your brain on football, the reality behind the latest moon-base plan, and an epic win -- and fail -- in the animal kingdom.
TED Talks
Grégoire Courtine: The paralyzed rat that walked
A spinal cord injury can sever the communication between your brain and your body, leading to paralysis. Fresh from his lab, Grégoire Courtine shows a new method -- combining drugs, electrical stimulation and a robot -- that could...
TED-Ed
TED-ED: What causes headaches? - Dan Kwartler
In ancient Greece, the best-known remedy for a long-standing headache was to drill a small hole in the skull to drain supposedly infected blood. Fortunately, doctors today don't resort to power tools to cure headaches, but we still have...
SciShow
Why Animals Keep Self-Amputating
Some lizards will lose a tail to avoid becoming a meal, but there's more than one reason for animals to self-amputate.
SciShow
Football, Dementia, and the Future of Sports
It’s not like anyone thought head injuries were good for people, but the long term effects of concussions has researchers, coaches, and doctors concerned about the extra risks of some popular sports.
TED Talks
Christopher McDougall: Are we born to run?
Christopher McDougall explores the mysteries of the human desire to run. How did running help early humans survive -- and what urges from our ancient ancestors spur us on today? McDougall tells the story of the marathoner with a heart of...
MinuteEarth
How The Modern World Tricks Our Bodies Into Hurting Themselves
The same enzyme that used to save us is now killing us because the body reactions it catalyzes now cause more harm than good.
TED Talks
TED: Why helmets don't prevent concussions -- and what might | David Camarillo
What is a concussion? Probably not what you think it is. In this talk from the cutting edge of research, bioengineer (and former football player) David Camarillo shows what really happens during a concussion -- and why standard sports...
TED-Ed
TED-Ed: Joshua W. Pate: The mysterious science of pain
In 1995, the British Medical Journal published a report about a builder who accidentally jumped onto a nail, which pierced straight through his steel-toed boot. He was in such agonizing pain that any movement was unbearable. But when the...
TED Talks
Jorge Soto: The future of early cancer detection?
Along with a crew of technologists and scientists, Jorge Soto is developing a simple, noninvasive, open-source test that looks for early signs of multiple forms of cancer. Onstage at TEDGlobal 2014, he demonstrates a working prototype of...
SciShow
How Our Brains Learn Consciousness
Neuroscience is abound with debates over the nature of consciousness. Which makes sense, because it’s a very abstract idea. We know we are conscious, but theories of why, how and what brain activity causes it are still simply that:...