Bozeman Science
LS1A - Structure and Function
How do the structures of organisms enable life's functions? Benchmarks for grades 2, 5, 8 and 12 are included.
Bozeman Science
Cooperative Interactions
Paul Andersen emphasizes the importance of cooperation in living systems. He starts with a brief description of game theory and why countries at peace do better over the long term. He then explains how microscopic cells cooperate in the...
Bozeman Science
AP Biology Labs - part 1
Paul Andersen details the first 7 of 13 labs in the AP Biology Curriculum. The following topics are all covered: Artificial Selection, Hardy-Weinberg Equilibrium, Comparing DNA using BLAST, Diffusion and Osmosis, Photosynthesis,...
Bozeman Science
AP Biology Science Practice 1: Models and Representations
In this video Paul Andersen explains the importance of models and visual representations in an AP Biology class. Science practices are overarching skills and knowledge required to be successful in an AP Biology classroom. Models for each...
Bozeman Science
Why Are Cells Small?
The lower half of Mr. Andersen's head explains why cells are small. This video begins with a simple geometry problem and ends with a discussion of Allen's Rule and reasoning for the microscopic nature of cells.
SciShow
What the CRISPR Embryo Editing Study Really Taught Us
What did the recent study using the CRISPR gene editing technique actually entail, and what did we learn from it?
Bozeman Science
Coral Bleaching
In this video Paul Andersen shows how increasing ocean temperatures causes coral polyps to release their symbiotic algae. This process of coral bleaching decreases the availability of energy for the coral and may eventually lead to coral...
SciShow
5 Times Animals Inspired Better Drugs
Scientists have been turning to the animal world for inspiration for a long time, including for medicines. And many different types of animals have been responsible for this inspiration, including sharks, spiders, and... roadkill.
SciShow
The Alien Egg Experiment
Hank brings us another simple experiment that demonstrates the important biochemical process of osmosis by turning a chicken egg into a frightening alien-looking thing.
SciShow
Bioprecipitation: How Bacteria Makes Snow
Raindrops and snowflakes generally start to form around something else in the air, like a speck of dust, but sometimes that something else is bacteria.
SciShow
Why Scientists Are Using Mice to Make Human Cells
Stem cells are widely believed to hold great promise in medical research because of their ability to transform into all sorts of other cell types, and scientists can grow it in living mice.
SciShow
New Cancer Drug Results and Vampire Bat Friendships
This week, researchers announced a novel cancer drug has become the first of its kind to reach clinical trials. Also, new research into vampire bat friendships could help us learn more about animal (and human) behavior.
TED Talks
TED: How to build synthetic DNA and send it across the internet | Dan Gibson
Biologist Dan Gibson edits and programs DNA, just like coders program a computer. But his "code" creates life, giving scientists the power to convert digital information into biological material like proteins and vaccines. Now he's on to...
TED-Ed
The artist who won a Nobel Prize... in medicine | Melanie E. Peffer
In the 1860s, scientists believed they were on the verge of uncovering the brain's biggest secret: how the brain's signals travel through the body. They believed these impulses travelled uninterrupted along a massive web of tissue. But...
SciShow
Do Plants Get Cancer?
Have you ever seen a tree with a big, twisted knot growing out of it? That's just one way that plants can show signs of cancer. Quick Questions explains.
SciShow
Why Can Mosquitoes Transmit Zika, But Not the Flu?
Mosquitoes transmit a number of terrible diseases like malaria, West Nile virus, and the Zika virus, but why not the flu?
Bozeman Science
What is CRISPR?
In this video Paul Andersen explains how the CRISPR/Cas immune system was identified in bacteria and how the CRISPR/Cas9 system was developed to edit genomes.
TED Talks
Craig Venter: Watch me unveil "synthetic life"
Craig Venter and team make a historic announcement: they've created the first fully functioning, reproducing cell controlled by synthetic DNA. He explains how they did it and why the achievement marks the beginning of a new era for science.
SciShow
Nobel News Capturing Photons Cloning Frogs
Hank brings us the news about the new Nobel Prize winners in the sciences, what they won for and what it all means.
Bozeman Science
Cellular Variation
Paul Andersen explains how variation is created within a cell. He starts by showing how molecular variation can increase fitness at the local level. He explains how an additional chlorophyll molecule allows plants to absorb more light...
SciShow
4 Ways CRISPR Is More Than Just Gene Editing
While it’s probably most famous for its role in gene editing, CRISPR does more than just that: its ability to precisely cut and alter DNA could lead to new antibiotics, faster diagnosis tools, and more. Chapters CREATING ANTIBIOTICS 1:07...
TED Talks
TED: On the verge of creating synthetic life | Craig Venter
Can we create new life out of our digital universe? Craig Venter asks. His answer is "yes" -- and pretty soon. He walks through his latest research and promises that we'll soon be able to build and boot up a synthetic chromosome. NOTE:...
SciShow
Parkinson’s Isn’t Inherited (Usually), but This Gene Matters
We don’t know what causes non-hereditary Parkinson's disease, but researchers have recently identified a gene that might help shed some light on those cases. And another paper suggests that the impact we're having on the frequency of...
SciShow
Creating Artificial Life
Scientists are working on creating organisms with designer genomes -- and someday, we might end up with bacteria manufacturing our jet fuel.