TED Talks
Jack Andraka: A promising test for pancreatic cancer ... from a teenager
Over 85 percent of all pancreatic cancers are diagnosed late, when someone has less than two percent chance of survival. How could this be? Jack Andraka talks about how he developed a promising early detection test for pancreatic cancer...
TED Talks
TED: The radical possibilities of man-made DNA | Floyd E. Romesberg
Every cell that's ever lived has been the result of the four-letter genetic alphabet: A, T, C and G -- the basic units of DNA. But now that's changed. In a visionary talk, synthetic biologist Floyd E. Romesberg introduces us to the first...
TED Talks
Richard Weller: Could the sun be good for your heart?
Our bodies get Vitamin D from the sun, but as dermatologist Richard Weller suggests, sunlight may confer another surprising benefit too. New research by his team shows that nitric oxide, a chemical transmitter stored in huge reserves in...
TED Talks
Siddharthan Chandran: Can the damaged brain repair itself?
After a traumatic brain injury, it sometimes happens that the brain can repair itself, building new brain cells to replace damaged ones. But the repair doesn't happen quickly enough to allow recovery from degenerative conditions like...
TED Talks
Patience Mthunzi: Could we cure HIV with lasers?
Swallowing pills to get medication is a quick, painless and often not entirely effective way of treating disease. A potentially better way? Lasers. In this passionate talk, TED Fellow Patience Mthunzi explains her idea to use lasers to...
TED Talks
Drew Berry: Animations of unseeable biology
We have no ways to directly observe molecules and what they do -- but Drew Berry wants to change that. He demos his scientifically accurate (and entertaining!) animations that help researchers see unseeable processes within our own cells.
TED Talks
Cheryl Hayashi: The magnificence of spider silk
Cheryl Hayashi studies spider silk, one of nature's most high-performance materials. Each species of spider can make up to 7 very different kinds of silk. How do they do it? Hayashi explains at the DNA level -- then shows us how this...
TED Talks
David R. Liu: Can we cure genetic diseases by rewriting DNA?
In a story of scientific discovery, chemical biologist David R. Liu shares a breakthrough: his lab's development of base editors that can rewrite DNA. This crucial step in genome editing takes the promise of CRISPR to the next level: if...
TED Talks
Siddhartha Mukherjee: Soon we'll cure diseases with a cell, not a pill
Current medical treatment boils down to six words: Have disease, take pill, kill something. But physician Siddhartha Mukherjee points to a future of medicine that will transform the way we heal.
TED Talks
TED: Your fingerprints reveal more than you think | Simona Francese
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Our fingerprints are what make us unique -- but they're also home to a world of information hidden in molecules...
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...
TED Talks
Adam Garske: How designing brand-new enzymes could change the world
"If DNA is the blueprint of life, enzymes are the laborers that carry out its instructions," says chemical biologist Adam Garske. In this fun talk and demo, he shows how scientists can now edit and design enzymes for specific functions...
SciShow
How Extreme Microbes Are Helping Us Test for COVID-19
Microbes that live in extreme environments, like geysers and hydrothermal vents, are able to survive in extreme temperatures. Scientists have figured out ways to use this thermostability to supercharge DNA studies, including the study of...
TED Talks
TED: The era of personal DNA testing is here | Sebastian Kraves
From improving vaccines to modifying crops to solving crimes, DNA technology has transformed our world. Now, for the first time in history, anyone can experiment with DNA at home, in their kitchen, using a device smaller than a shoebox....
TED Talks
TED: How CRISPR lets us edit our DNA | Jennifer Doudna
Geneticist Jennifer Doudna co-invented a groundbreaking new technology for editing genes, called CRISPR-Cas9. The tool allows scientists to make precise edits to DNA strands, which could lead to treatments for genetic diseases ... but...
Bozeman Science
AP Biology Lab 6: Molecular Biology
Paul Andersen explains the two major portions of the molecular biology lab in AP Biology. He starts by discussing the process of transformation. He explains how you can use the pGLO plasmid to produce glowing E. coli bacteria. He then...
TED Talks
TED: The ethical dilemma of designer babies | Paul Knoepfler
Creating genetically modified people is no longer a science fiction fantasy; it's a likely future scenario. Biologist Paul Knoepfler estimates that within fifteen years, scientists could use the gene editing technology CRISPR to make...
TED Talks
Read Montague: What we're learning from 5,000 brains
Mice, bugs and hamsters are no longer the only way to study the brain. Functional MRI (fMRI) allows scientists to map brain activity in living, breathing, decision-making human beings. Read Montague gives an overview of how this...
Curated Video
Amplify
In general, to increase in size or amount. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract concepts and...
Curated Video
Barbara McClintock: Scientific Persistence Pays Off
Barbara McClintock used corn to make pioneering discoveries in genetics, despite facing gender bias and initial skepticism from the scientific community.
Curated Video
Evidence of Evolution
A video explaining how embryology, anatomy, and genetics can be used as evidence for evolution.
Professor Dave Explains
Bioengineer Jessica Griffiths (Get to Know a Scientist!)
Jessica is a bioengineer at Caltech that studies the gut-brain axis, and in particular how autism-related genetic mutations impact gut dysfunction. It's pretty cutting edge stuff, let's take a look inside her lab and hear about what she...
Catalyst University
Intestinal Production of Hydrogen Gas (H2) by Bacteria for Reduced Coenzymes
Bacteria of the human intestinal microbiome generate hydrogen gas (H2). Hydrogen gas is used by these same bacteria for methanogenesis, a biochemical pathway which generates methane. Here, we will discuss this process.
Catalyst University
Catalytic Mechanism of Myeloperoxidase & Hypochlorous Acid Functions
Here we explore the catalytic mechanism of Myeloperoxidase and subsequent formation of Hypochlorous Acid and Hypothiocyanite, two reactive oxidative species (ROS). We will also see functions of Hypochlorous Acid.