TED Talks
Danny Hillis: Back to the future (of 1994)
From deep in the TED archive, Danny Hillis outlines an intriguing theory of how and why technological change seems to be accelerating, by linking it to the very evolution of life itself. The presentation techniques he uses may look...
SciShow
What Do We Know About T Cells and COVID-19 Immunity? | SciShow News
There's another theory about the Covid-19 pandemic going around, and while it is pretty cool, it's not exactly the solution some are suggesting it might be.
SciShow
What Squids and Frogs Taught Us About How Brain Cells Talk
Back in the early days of neuroscience, we didn't study the animals you might expect to learn about how brain cells communicate.
SciShow
The First Gene-Edited Babies Are Here, Like It or Not | SciShow News
A researcher in China used the gene editing technique known as CRISPR to change the DNA of human embryos. Hank unpacks why this is being universally condemned by scientists.
SciShow
How to Reprogram a Brain Cell
In Parkinson's disease, certain kinds of neurons die over time, but it might be possible to reprogram other types of cells in the brain to replace those lost ones.
TED Talks
TED: Making matter come alive | Lee Cronin
Before life existed on Earth, there was just matter, inorganic dead "stuff." How improbable is it that life arose? And -- could it use a different type of chemistry? Using an elegant definition of life (anything that can evolve), chemist...
TED Talks
Laura Rovner: What happens to people in solitary confinement
Imagine living with no significant human contact for years, even decades, in a cell the size of a small bathroom. This is the reality for those in long-term solitary confinement, a form of imprisonment regularly imposed in US prisons. In...
SciShow
7 Species That Really Are What They Eat
There are creatures who get some super important and recognizable part of their biology from their diets.
Bozeman Science
LS1B - Growth and Development
Paul Andersen answers the following question: How do organisms grow and develop?
SciShow
Chimera Cats and Your Mom
Hank talks about chimeras, and why Venus the cat probably isn't one - but your mom might be
SciShow
How Do Desensitizing Toothpastes Work?
Do popsicles give you toothaches? Do you wonder why that special toothpaste makes it all better? We've got you covered!
SciShow
Attack of the Super Bugs
Don't panic! But you should really know about antibiotic-resistant bacteria, aka super bugs. They're here, and they're doing very well, thank you. SciShow explains what they are, how they're getting around our best drugs, and what...
TED-Ed
TED-Ed: How do nerves work? - Elliot Krane
At any moment, there is an electrical storm coursing through your body. Discover how chemical reactions create an electric current that drives our responses to everything from hot pans to a mother's caress.
SciShow
Resurrection Biology: How to Bring Animals Back From Extinction
We've all seen the movies and heard the hype: But is it really possible to bring back animals that have gone extinct? If so, how? And how soon? And can I have a mammoth to ride around in my backyard? Hank explains the latest research...
SciShow
North Americas Lost Parrot
When you picture a parrot, you probably don’t picture Denver, but up until about a century ago, the United States was home to its very own species of parrot: the Carolina parakeet. What happened to this endemic bird?
SciShow
Bioprinting and Pig Chimeras: The Possible Future of Organ Transplants
From bioprinting to growing organs in non-human animals, doctors and scientists are looking at different ways to make organ transplants a less challenging procedure.
TED Talks
Bonnie Bassler: How bacteria "talk"
Bonnie Bassler discovered that bacteria "talk" to each other, using a chemical language that lets them coordinate defense and mount attacks. The find has stunning implications for medicine, industry -- and our understanding of ourselves.
Amoeba Sisters
Specialized Cells: Significance and Examples
Explore some examples of specialized plant and animal cells with the Amoeba Sisters! Video explains how specialized cell structure suits their function. Table of Contents: Intro 00:00 Specialized Cell Defined 0:26 Animal and Plant Cells...
TED Talks
Heather Barnett: What humans can learn from semi-intelligent slime
Inspired by biological design and self-organizing systems, artist Heather Barnett co-creates with physarum polycephalum, a eukaryotic microorganism that lives in cool, moist areas. What can people learn from the semi-intelligent slime...
Bozeman Science
AP Biology Test: A User Guide
Mr. Andersen describes the two portions of the AP Biology Test. Tips for answering multiple choice and free response questions are included. Sample questions from old AP tests are also included.
Bozeman Science
Mitochondria: The Powerhouse of the Cell
In this video Paul Andersen explains how the mitochondria generates energy for the cell through aerobic respiration. He also explains how research into the organelle has shown its importance in eukaryotic evolution.
Bozeman Science
Diploid vs. Haploid Cells
In this video Paul Andersen explains the difference between diploid and haploid cells. He starts with a brief description of the central dogma and how genes code for proteins. He then uses the phenotype of red hair to explain that humans...
Amoeba Sisters
Intro to Cell Signaling
Explore cell signaling with the Amoeba Sisters! This introductory video describes vocabulary such as ligand and receptor. It includes the stages of cell signaling (reception, transduction, and response) and different types of signaling...
TED Talks
TED: How jails extort the poor | Salil Dudani
Why do we jail people for being poor? Today, half a million Americans are in jail only because they can't afford to post bail, and still more are locked up because they can't pay their debt to the court, sometimes for things as minor as...