SciShow
Do You Really Have a New Body Every 7 Years?
You may have heard the rumor. Every seven years your body becomes a whole new person. But is there anything to this? Check out this SciShow episode to find out!
Amoeba Sisters
Chromosomes and Karyotypes
Explore chromosomes and karyotypes with the Amoeba Sisters! This video explains chromosome structure, how chromosomes are counted, why chromosomes are important, and how they can be arranged in a karyotype! This video also tackles a few...
SciShow
Spicy Tomatoes and 4 Other GMOs That Could Save Lives
Genetically modifying plants and animals is complicated business, but some scientists think this tool could be used to save lives in a variety of ways.
TED-Ed
TED-Ed: How CRISPR lets you edit DNA - Andrea M. Henle
Explore the science of the groundbreaking technology for editing genes, called CRISPR- Cas9, and how the tool could be used to cure diseases. -- From the smallest single-celled organism to the largest creatures on Earth, every living...
TED-Ed
TED-Ed: The genes you don't get from your parents (but can't live without) | Devin Shuman
Inside our cells, each of us has a second set of genes completely separate from our 23 pairs of chromosomes. And this isn't just true for humans— it's true of every animal, plant, and fungus on Earth. This second genome belongs to our...
Crash Course
DNA, Hot Pockets, & The Longest Word Ever: Crash Course Biology
Hank imagines himself breaking into the Hot Pockets factory to steal their secret recipes and instruction manuals in order to help us understand how the processes known as DNA transcription and translation allow our cells to build proteins.
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...
Bozeman Science
What are Chromosomes?
In this video Paul Andersen answers this question about chromosomes. He explains how the base pairs of DNA form genes which are organized into the chromosomes of the overall genome.
SciShow
The Only Animal That Can't Breathe Oxygen
Oxygen is so essential for animals that every multicellular species we’ve ever studied has the ability to use oxygen to create energy... except one.
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...
SciShow
We Hadn't Sequenced the Human Genome...Until Now | SciShow News
Researchers have unlocked the final gaps in the human genome, and what they tell us could mean big waves for the future of medicine.
SciShow
Why We Age - And How We Can Stop It
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.
SciShow
Why Can’t We Clone Endangered Species to Save Them?
We know how to clone animals, so why aren't we saving endangered species by cloning their populations?
SciShow
6 Common Misconceptions About Cancer
Today we take a look at six misconceptions about cancer that seem plausible, but just don't hold up. Chapters SHARKS DON'T GET CANCER & TAKING SHARK CARTILAGE SUPPLEMENTS WILL CURE OR PREVENT CANCER 0:45 IF YOU HAVE CANCER YOU SHOULD...
Bozeman Science
Phylogenetics
Paul Andersen discusses the specifics of phylogenetics. The evolutionary relationships of organisms are discovered through both morphological and molecular data. A specific type of phylogenetic tree, the cladogram, is also covered.
Bozeman Science
Mutations
Paul Andersen describes the major mutations found in the living world. He starts with an analogy comparing the information in DNA with the information in a recipe. Changes in the DNA can result in changes to the protein, like changes...
SciShow
This Plant Genetically Engineered Itself (So We Don't Have To)
Scientists found a species of wheatgrass that is resistant to fungus, but how it became resistant is both surprising and unclear.
Amoeba Sisters
Mitosis: The Amazing Cell Process that Uses Division to Multiply! (Updated)
Updated Mitosis Video. The Amoeba Sisters walk you through the reason for mitosis with mnemonics for prophase, metaphase, anaphase, and telophase. Table of Contents: 00:00 Intro 0:44 Why is Mitosis Important? 2:00 Why Don't You Want...
Bozeman Science
DNA and RNA - Part 1
Paul Andersen introduces the nucleic acids of life; RNA and DNA. He details the history of DNA from Griffith, to Avery, to Hershey and finally to Watson and Crick. He also details the difference between prokaryotic and eukaryotic...
Bozeman Science
Genetic Drift
Paul Andersen describes genetic drift as a mechanism for evolutionary change. A population genetics simulator is used to show the importance of large population size in neutralizing random change. The near extinction of the northern...
SciShow
Common Misconceptions About Evolution
Evolution is particularly vulnerable to misunderstandings around the scientific language. SciShow clears up some confusing language!
SciShow
Prions: The Real Zombie-Makers
Hank is tired of zombies in popular culture, and while acknowledging that dead people are scary (especially if they start moving around), he brings us some information on prions - misfolded proteins that are responsible for destroying...
Bozeman Science
Essential Characteristics of Life
Paul Andersen describes three main characteristics of life that are conserved in all organisms on the planet. The universal genetic code, the central dogma of biology, and shared metabolic pathways give us details of the original...