Bozeman Science
AP Biology - The Final Review
The final AP Biology Review. Chapters View all AP Biology 0:07 Section : Multiple Choice 1:00 Hardy-Weinberg 3:23 Chi-squared Test 5:29 Null Hypothesis 6:16 Respiration 7:30
Be Smart
Can Evolution Make an Eye? - 12 Days of Evolution #4
Some of the biggest evolution questions finally answered.
SciShow
The Unsung Scientist Behind the Building Blocks of DNA | Marie M. Daly
Our understanding of both clogged arteries and the building blocks of DNA are thanks to the groundbreaking work of Dr. Marie M. Daly, the first Black woman in the U.S. to receive a Ph. D. in chemistry.
TED-Ed
TED-Ed: How fast can a vaccine be made?
When a new pathogen emerges, our bodies and healthcare systems are left vulnerable. And when this pathogen causes the outbreak of a pandemic, there’s an urgent need for a vaccine to create widespread immunity with minimal loss of life....
Crash Course
Carbon... SO SIMPLE: Crash Course Biology
And thus begins the most revolutionary biology course in history. Come and learn about covalent, ionic, and hydrogen bonds. What about electron orbitals, the octet rule, and what does it all have to do with a mad man named Gilbert Lewis?...
SciShow
5 Ways Biology Is Transforming Buildings
Throughout history humans have come up with lots of different ways to build shelters for themselves. But sometimes, inspiration for better construction materials comes from nature, in structures you might not expect — like the scales on a
TED Talks
What is deep tech? A look at how it could shape the future | Antoine Gourévitch
How do companies like SpaceX make sudden breakthroughs on decades-old challenges? Emerging tech expert Antoine Gourévitch explains how deep tech -- a new approach to innovation that merges science, engineering and design thinking -- is...
TED-Ed
TED-Ed: Do larger animals take longer to pee? | David L. Hu
A cat's bladder can only store a golf ball's worth of urine. For humans, it's a coffee mug and for elephants, a kitchen trash can. An elephant's bladder is 400 times the size of a cat's, but it doesn't take an elephant 400 times longer...
SciShow
SciShow: Winter Compilation
We here at SciShow compiled a list of videos based on popular requests. Hank Green hosts with this winter themed episode!
TED-Ed
Why do we have hair in such random places? | Nina G. Jablonski
We have lots in common with our closest primate relatives. But comparatively, humans seem a bit... underdressed. Instead of thick fur covering our bodies, many of us mainly have hair on top of our heads— and a few other places. So, how...
TED-Ed
TED-Ed: Gillian Gibb: Why can't some birds fly?
Though the common ancestor of all modern birds could fly, many different bird species have independently lost their flight. Flight can have incredible benefits, especially for escaping predators, hunting and traveling long distances. But...
Bozeman Science
AP Biology Practice 3 - Formulate Questions
Paul Andersen explains how to formulate questions to guide discussions and investigations. He starts by describing the proper type of questions that should be asked in an AP Biology classroom. He gives four examples of questions that...
SciShow
Why River Otters Have Bones… In Their Hearts
Most mammals can develop bones in their hearts. For humans, it's usually a bad thing, but for river otters, it could be a useful adaptation.
TED-Ed
TED-Ed: The most important anus in the ocean
Is it a fuzzy sock? An overripe banana? A moldy tube of toothpaste? In fact, it’s a humble sea cucumber: a brainless, fleshy form surrounding a digestive tract, and bookended by a mouth and an anus. And while it might look odd, its daily...
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...
SciShow
5 Times Evolution Should Have Planned Ahead
Natural selection can lead to some pretty amazing adaptations, but sometimes the resulting traits aren’t the most efficient solutions to the problems at hand. With the bar set to “good enough,” here are some features that arose from...
SciShow
3 Freaky Things Explained: Bug Sex, Polar Vortex and Chain Fountain!
Hank shares the latest developments in science, this week demystifying three freaky things in nature: the polar vortex, why some bugs are infertile, and how a chain can appear to defy gravity. You're welcome!
TED-Ed
TED-Ed: The fish that walk on land | Noah R. Bressman
We think of fish as completely aquatic animals. But there are actually hundreds of fish species that are amphibious, meaning that they possess adaptations that enable them to survive on land. Once on land, however, they face suffocation,...
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
Breast Cancer gets Worse in the Spring and Fall. But...Why?
Seasonal illnesses from infectious diseases aren’t a new concept, but a few decades ago public health experts began to notice the same behavior in some non-infectious diseases like breast cancer. These patterns have helped us learn a lot...
TED Talks
TED: Fashion has a pollution problem -- can biology fix it? | Natsai Audrey Chieza
Natsai Audrey Chieza is a designer on a mission -- to reduce pollution in the fashion industry while creating amazing new things to wear. In her lab, she noticed that the bacteria Streptomyces coelicolor makes a striking red-purple...
TED Talks
Rob Reid: How synthetic biology could wipe out humanity -- and how we can stop it
The world-changing promise of synthetic biology and gene editing has a dark side. In this far-seeing talk, author and entrepreneur Rob Reid reviews the risks of a world where more and more people have access to the tools and tech needed...
TED-Ed
TED-Ed: Why do we pass gas? - Purna Kashyap
Flatulence is a daily phenomenon. In fact, most human beings pass gas 10-20 times a day (yes, that includes you). Where does your bodily gas come from? Purna Kashyap takes us on a journey into the intestines, shedding light on how gas is...
SciShow
The 2017 Nobel Prizes: Biological Clocks and Microscopy
Last week, the recipients of the 2017 Nobel Prizes were announced. We take a closer look at the winners of the Physiology and Chemistry Awards, whose breakthroughs change the way we study sleep, and allow us to look at microscopic...