SciShow
Mutant Mosquitoes in Florida
In the search for longevity, scientists have found the longest-lived vertebrates on the planet in the arctic. Meanwhile, in warmer climes, the FDA approves a new method for combating disease-carrying mosquitoes.
SciShow
Why Are There Bacteria In My Yogurt?
Having bacteria in your food doesn't really sound great, but you couldn't have yogurt without it! Learn why in this week's QQ!
Bozeman Science
The Muscular System
Paul Andersen explains the three types of muscle found in humans; striated, smooth and cardiac muscle. He explains how actin and myosin interact to contract the sarcomere in a muscle. The sliding filament theory explains how ATP and...
TED-Ed
TED-ED: How we think complex cells evolved - Adam Jacobson
Imagine you swallowed a small bird and suddenly gained the ability to fly - or you ate a cobra and were able to spit poisonous venom! Well, throughout the history of life (and specifically during the evolution of complex eukaryotic...
Bozeman Science
Plant and Animal Defense
Paul Andersen describes how plants and animals defend themselves against pathogens. He begins by discussing the hypersensitive response in plants as a nonspecific form of immune response. He then discusses both the humoral and...
Bozeman Science
Transcription and Translation
Paul Andersen explains the central dogma of biology. He explains how genes in the DNA are converted to mRNA through the process of transcription. He then explains how ribosomes use this message to convert the mRNA to a functioning...
Bozeman Science
Polymers
Paul Andersen explains how polymers are formed from monomers. He describes how carbohydrates, protein and nucleic acids are created through condensation reactions. He also explains how these macromolecules are broken down through the...
SciShow
What Does Anesthesia Do to Your Brain?
Scientists know that anesthesia drugs are really good at knocking you out. What they don't know is how.
Bozeman Science
The Molecules of Life
Paul Andersen describes the macromolecules that make up living organisms. He starts with a brief description of organic chemistry and the importance of functional groups. He also covers both dehydration and hydrolysis in polymerization....
TED-Ed
TED-ED: What causes body odor? - Mel Rosenberg
Most of us don't need more than one whiff to identify that generally unpleasant, characteristic smell we call body odor. But it's a surprisingly complex phenomenon, influenced by our genetic makeup, age, diet, and hygiene. So what is...
SciShow
The Health Benefits of ... Cannibalism
Cannibalism may actually make a community healthier, but maybe don't try it at home.
Bozeman Science
Cell Cycle, Mitosis and Meiosis
Paul Andersen explains how the cell cycle is used to create new cells. The creation of identical diploid daughter cells, through mitosis, is described. The creation of unique haploid daughter cells, through meiosis is also described. The...
Bozeman Science
The Origin of Life - Scientific Evidence
Paul Andersen discusses scientific evidence of the origin of life on our planet. He begins with a brief discussion of the age of the earth and ends with the future of humanity. He includes geologic, chemical and molecular data.
Bozeman Science
DNA and RNA - Part 2
Paul Andersen continues his description of DNA and RNA. He begins with the structure of DNA and RNA and moves into the process of DNA Replication. He also describes the central dogma of biology explaining how DNA is transcribed to mRNA...
Bozeman Science
A Tour of the Cell
Paul Andersen takes you on a tour of the cell. He starts by explaining the difference between prokaryotic and eukaryotic cells. He also explains why cells are small but not infinitely small. He also explains how the organelles work...
Crash Course
Eukaryopolis - The City of Animal Cells: Crash Course Biology
Hank tells us about the city of Eukaryopolis - the animal cell that is responsible for all the cool things that happen in our bodies.
Bozeman Science
ATP: Adenosine Triphosphate
Paul Andersen explains the structure, function and importance of adenosine triphosphate (ATP). He begins by describing the specific structure of the molecule and its three main parts: adenine, ribose sugar, and phosphate groups. He...
Curated Video
The Nucleus
New Review2 minute video describing a cell nucleus - for middle school science
Professor Dave Explains
Molecular Biologist Chandni Kumar (Get to Know a Scientist!)
What is proteomics? It's the study of the interactions, function, composition, and structures of proteins and their cellular activities. Dr. Chandni Kumar is a molecular biologist who works with proteins to ascertain all kinds of things...
Curated Video
How to Balance & Plan Meals When Taking Supplements
Howcast - Learn how to balance and plan meals when taking supplements from registered dietician Glen Tobias in this Howcast video.
Curated Video
What Is the Best Protein Supplement?
Howcast - Learn what the best protein supplement is from registered dietician Glen Tobias in this Howcast video.
Curated Video
3 Foods You Should Eat Every Day
Howcast - Learn about the three foods you should eat every day from nutrition expert Alex Jamieson in this Howcast video.
Curated Video
Complete vs. Incomplete Protein
Howcast - Learn the difference between complete and incomplete protein from DreamBodies' Tony DiCostanzo in this Howcast bodybuilding diet video.