TED Talks
Chuck Murry: Can we regenerate heart muscle with stem cells?
The heart is one of the least regenerative organs in the human body -- a big factor in making heart failure the number one killer worldwide. What if we could help heart muscle regenerate after injury? Physician and scientist Chuck Murry...
TED Talks
Kevin Stone: The bio-future of joint replacement
Arthritis and injury grind down millions of joints, but few get the best remedy -- real biological tissue. Kevin Stone shows a treatment that could sidestep the high costs and donor shortfall of human-to-human transplants with a novel...
SciShow
3D Printing and the Future of Stuff
What if instead of going to the store to buy a new toilet brush, all you had to do was walk into your office and print one out? With recent advances in 3D printing, such a scenario might not be as far away as you think. Chapters PRINT...
SciShow
Changing DNA in a Cell With No DNA: Gene Therapy for Blood Disorders
Lots of genetic diseases come down to a small change in a single gene, but how do you treat those diseases when the cells involved don’t have any DNA?
SciShow
Why Is Fake Blood so Hard to Make?
Functional artificial blood could solve a lot of problems, so why hasn't it been created yet?
SciShow
Could Your Blood Type Ever Change?
From A positive to O negative, everyone's born with a blood type, and they're stuck with that blood type for their whole lives... or are they?
TED Talks
TED: Body parts on a chip | Geraldine Hamilton
It's relatively easy to imagine a new medicine -- the hard part is testing it, and that can delay promising new cures for years. In this well-explained talk, Geraldine Hamilton shows how her lab creates organs and body parts on a chip,...
TED Talks
Molly Stevens: A new way to grow bone
What does it take to regrow bone in mass quantities? Typical bone regeneration -- wherein bone is taken from a patient’s hip and grafted onto damaged bone elsewhere in the body -- is limited and can cause great pain just a few years...
SciShow
What Growing Mini Brains Has Taught Us, And What's Next
Scientists have developed a way to grow miniature versions of human organs; some of the weirdest organoids are the mini brains.
TED-Ed
TED-Ed: What are stem cells? - Craig A. Kohn
Is personalized medicine for individual bodies in our future? Possibly -- with the use of stem cells, undifferentiated cells with the power to become any tissue in our bodies. Craig A. Kohn describes the role of these incredible,...
SciShow
Stem Cells
Hank gives you the facts on stem cells - what they are, what they're good for, where they come from, and how they're used in medicine.
Bozeman Science
Cellular Specialization
In this podcast Paul Andersen explains how cells differentiate to become tissue specific. He also explains the role of transcription factors in gene regulation. The location of a cell within the blastula ultimately determines its fate....
SciShow
Manipulating plant genes...through grafting!
If you plant a seed from your orange, you might have to wait as long as 15 years to get a tree with fruit, which is kind of a bummer for the impatient types among us. Fortunately, there’s an age-old trick called grafting that can shorten...
Crash Course
Reproductive System, part 2 - Male Reproductive System: Crash Course A&P 41
Our month-long exploration of human reproduction continues with a look at testicular anatomy, the steps of sperm production, and how it's influenced by gonadotropin and testosterone. Hank also explains how sperm mature, and how they...
SciShow
Why Do Our Bones Make Our Blood?
Our bones are multi-functional body builders, but perhaps their most mysterious function is the production of blood. Scientists now think they have a pretty good idea why this is where our blood gets made.
Bozeman Science
Epigenetics
Paul Andersen explains the concepts of genetics. He starts with a brief discussion of the nature vs. nurture debate and shows how epigenetics blurs this distinction. He explains how differentiation of cell types results from the...
TED-Ed
TED-ED: How to grow a bone - Nina Tandon
Can you grow a human bone outside the human body? The answer may soon be yes. Nina Tandon explores the possibility by examining how bones naturally grow inside the body, and illuminating how scientists are hoping to replicate that...
SciShow
Teratomas: What Tumors with Teeth Can Teach Us About Stem Cells
There’s one kind of tumor that’s basically straight out of a horror movie...
SciShow
The Bigger Stem Cells Are, the Harder They Fall
When it comes to our blood-producing stem cells, biologists have learned that bigger is not better. And a study has taken a look at the accomplishments and obstacles of an in-progress attempt to restore a large belt of degraded land...
TED-Ed
TED-ED: How bones make blood - Melody Smith
Bones might seem rock-solid, but they’re actually quite porous inside. Most of the large bones of your skeleton have a hollow core filled with soft bone marrow. Marrow's most essential elements are blood stem cells and for patients with...
SciShow
Hydras: Our Immortal, Tentacled Friends
While humans age and die (which is kind of a bummer), it looks like hydras will stay young and fertile forever. Why is this? And what can we learn from these tentacular microscopic organisms?
SciShow
5 Things We Still Get Wrong About Human Reproduction
You'd think we'd know everything there is to know about sexual reproduction. But as it turns out, there are still quite a few things we picked up that aren't exactly true, and we're here to correct that. Chapters NEW EGGS 1:47 MENSTRUAL...
SciShow
How Does Hair Know When to Stop Growing?
The hair on your scalp can get really long, but your leg hair doesn't sweep the floor. Why not?
TED-Ed
TED-Ed: You could have a secret twin (but not the way you think) | Kayla Mandel Sheets
While searching for a kidney donor, Karen Keegan stumbled upon a mystery. After undergoing genetic testing, it turned out that some of her cells had a completely different set of genes from the others. And this second set of genes...