SciShow
The Milky Way Broke Its Arm
The spiral of the Milky Way is not as smooth as we once thought because an arm not so far from home appears to be broken! And we may have discovered the answer to why a local asteroid puts on the appearance of a comet.
Bozeman Science
Photosynthesis Lab Walkthrough
Mr. Andersen shows you how to sink leaf chads in preparation for the AP Biology photosynthesis lab. An empty syringe is used to remove gas from the leaves before the lab. As the chloroplasts absorb light they produce oxygen bubbles which...
SciShow
HIV, Circumcision & The Fight Against AIDS
SciShow News reports some promising new findings about the worldwide fight against HIV, including insights about how we can make the most of one of our newest weapons against HIV: circumcision.
SciShow
How Your Friends Can Affect Your Opinions
The people around you have a lot more to do with how you think than you might realize.
Crash Course
Anselm & the Argument for God: Crash Course Philosophy
Today we are introducing a new area of philosophy – philosophy of religion. We are starting this unit off with Anselm’s argument for God’s existence, while also considering objections to that argument.
SciShow
We're One Step Closer to Understanding Aging
Scientists have had a variety of hypotheses about how chemical stress can affect DNA to cause aging, but a new study has just shown the process in action.
SciShow
What 100,000+ Children Taught Us About Neglect in Early Childhood
Neglect in the first few years of a child’s life can have many adverse consequences, and one of the largest studies on these effects occurred after the Romanian Revolution in 1989.
TED Talks
TED: Lessons from the longest study on human development | Helen Pearson
For the past 70 years, scientists in Britain have been studying thousands of children through their lives to find out why some end up happy and healthy while others struggle. It's the longest-running study of human development in the...
Crash Course
How Do We Investigate Outbreaks? Epidemiology Crash Course Outbreak Science
At the heart of outbreaks are people! People are the ones who get sick, transmit diseases, and change the way they live in response to outbreaks. In outbreak science, we can better understand the relationship between people and disease...
SciShow
The Taste of Color
To the average tongue, the color "red" doesn't have a flavor or a smell. But color can affect how we perceive the world in so many ways - including how things taste and smell!
TED-Ed
TED-Ed: What really happened to the Library of Alexandria? - Elizabeth Cox
2,300 years ago, the rulers of Alexandria set out to fulfill a very audacious goal: to collect all the knowledge in the world under one roof. In its prime, the Library of Alexandria housed an unprecedented number of scrolls and attracted...
SciShow
There’s Water on the Moon—and Possibly More Than We Thought | SciShow News
If we want to establish a colony on the Moon, coming up with enough water is a huge challenge. Scientists have long suspected there might be water hiding on the lunar surface. Were they right? Plus, some quick recovery work led to...
SciShow
Spinach That Detects Explosives!
What's both edible, and capable of sending you an email to let you know there's explosives nearby? Spinach! Well, spinach with some nanotechnology embedded within it. Learn how Popeye's favorite veggie is involved in the field of plant...
Bozeman Science
AP Biology Lab 11: Animal Behavior
Paul Andersen introduces the concept of ethology and contrasts kinesis and taxis. He explains the importance of courtship rituals in fruit flies. He finally shows you how to use a choice chamber to study behavior in pill bugs.
SciShow
CSI Special Insects Unit: Forensic Entomology
Michael Aranda walks you through the crime-fighting science of forensic entomology, the study of insects used in criminal investigations. As if you needed more reasons to love bugs. But be warned: You might not want to watch this during...
TED Talks
TED: Could a drug prevent depression and PTSD? | Rebecca Brachman
The path to better medicine is paved with accidental yet revolutionary discoveries. In this well-told tale of how science happens, neuroscientist Rebecca Brachman shares news of a serendipitous breakthrough treatment that may prevent...
SciShow
Studying Supernovas From the Bottom of the Ocean
Stars blowing up is a surprisingly common occurrence, but who would have thought to search the bottom of the ocean if you were trying to study them?!
SciShow
Why We Respond to Disasters with Altruism
The idea that humans react to disasters by losing control and acting selfishly is all too prevalent, especially in movies and television. But recent studies on altruism may provide evidence that this isn’t always the case, and this...
SciShow
We Taught Birds to Sing by Altering Their Brains SciShow News
We can now implant memories into birds’ brains to teach them how to sing, and human fetuses have a couple muscles that disappeared from our adult ancestors over 200 million years ago.
Crash Course
Population Ecology: The Texas Mosquito Mystery - Crash Course Ecology
Population ecology is the study of groups within a species that interact mostly with each other, and it examines how they live together in one geographic area to understand why these populations are different in one time and place than...
SciShow
The James Webb Space Telescope Is Assembled! Finally! SciShow News
We have some good news this week for all the James Webb fans out there, as well as a look a some creative chemistry that may help us find the first solid evidence of an exomoon!
SciShow Kids
Was There Water on Mars? | Let's Explore Mars! | SciShow Kids
When you look at a picture of Mars next to a picture of Earth, you might notice one big difference: Earth is covered in blue oceans and Mars doesn't seem to have any water at all! But scientists have discovered all kinds of clues that...
SciShow
New Insights Into The Minds Eye
SciShow explores a newly identified neurological condition, aphantasia, the inability to visualize things in your imagination, and gives tribute to Dr. Oliver Sacks, popular explorer of the human mind.
SciShow
Great Pacific Garbage Patch
Hank tells us about the enormous concentrations of plastic debris floating around in the Pacific Ocean, why they're there and why they're a problem.