SciShow
How Archaeologists Are Literally Recreating the Past | Experimental Archaeology
Archaeology might make you think about excavating dinosaur bones or exploring ancient ruins, but we can also learn a lot about the past through experimentation, sometimes with some pretty tasty results!
SciShow
Rogue Waves
For a long time, rogue waves (defined as waves that are greater than twice the height of surrounding waves) were thought to be a myth, like mermaids or the kraken, but recent developments in satellite imagery and oceanic instruments now...
3Blue1Brown
Bayes theorem
A visual way to think about Bayes' theorem, together with discussion on what makes the laws of probability more intuitive.
SciShow
Has Saturn Had More than One Ring System
Saturn’s rings might only be around a hundred million years old, billions of years younger than some astronomers have suspected, and they might not be the only rings the planet has ever had.
SciShow
We Finally Know How Anesthesia Works
Even though doctors have been using general anesthesia for nearly 200 years, they haven’t really understood the details of how it temporarily shuts down your brain — until now.
SciShow
Have You Seen That Face Before?
You’re probably familiar with that flash of recognition that happens when you see a person and suddenly realize it is someone you know, but neuroscientists have been trying to understand exactly how our brains do this for years.
SciShow
5 Unsolved Mysteries About Dinosaurs
We can learn a lot from dinosaur fossils, but figuring how they behaved is a real challenge.
SciShow
Mama, Where Do Galaxies Come From?
For most of human history, we didn't know that galaxies were a thing. So over the past century, astronomers have been working to understand how galaxies come to be and how they evolve over time. And for a full decade, there was one...
SciShow
The Mysterious Origins of the Nucleus
The cell nucleus is crucial to multicellular life, so you think science would have a good idea how it evolved. The truth is, we don't, but Scientists do have some theories, including invading giant viruses!
SciShow
Why Does Venus Spin Backwards?
We're always learning more about far away galaxies and exoplanets, but we still have some pretty big mysteries hanging out here in the solar system, like why Venus spins the way it does.
Bozeman Science
Cladograms
Paul Andersen shows you how to construct a cladogram from a group of organisms using shared characteristics. He also discusses the process of parsimony in cladogram construction. He then explains how modern cladograms are constructed and...
Crash Course
How P-Values Help Us Test Hypotheses - Crash Course Statistics
Today we're going to begin our three-part unit on p-values. In this episode we'll talk about Null Hypothesis Significance Testing (or NHST) which is a framework for comparing two sets of information. In NHST we assume that there is no...
Crash Course
P-Value Problems - Crash Course Statistics
Last week we introduced p-values as a way to set a predetermined cutoff when testing if something seems unusual enough to reject our null hypothesis - that they are the same. But today we’re going to discuss some problems with the logic...
TED-Ed
TED-ED: What is chirality and how did it get in my molecules? - Michael Evans
Improve your understanding of molecular properties with this lesson on the fascinating property of chirality. Your hands are the secret to understanding the strange similarity between two molecules that look almost exactly alike, but are...
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
Common Misconceptions About Evolution
Evolution is particularly vulnerable to misunderstandings around the scientific language. SciShow clears up some confusing language!
Bozeman Science
Abiogenesis
Paul Andersen describes how life could have formed on our planet through natural processes. The progression from monomers, to polymers, to protocells and finally to cells is described. The Miller-Urey experiment is described in detail as...
Crash Course
The New Chemistry: Crash Course History of Science
One of the problems with the whole idea of a single Scientific Revolution is that some disciplines decided not to join any revolution. And others just took a long time to get there.
Bozeman Science
AP Biology Practice 6 - Scientific Explanations and Theories
In this video Paul Andersen explains how scientific theories are created and modified over time. He starts by discussing the theory of natural selection as a model for the creation and modification of theories. He gives examples of...
Crash Course
P-Hacking - Crash Course Statistics
Today we're going to talk about p-hacking (also called data dredging or data fishing). P-hacking is when data is analyzed to find patterns that produce statistically significant results, even if there really isn't an underlying effect,...
Bozeman Science
The Nature of Science
In this video Paul Andersen explains the nature of science. He describes how science is a way of knowing about the natural world. Scientists develop investigations to gather evidence and make explanations about how the natural world...
Crash Course
Psychological Research - Crash Course Psychology
So how do we apply the scientific method to psychological research? Lots of ways, but today Hank talks about case studies, naturalistic observation, surveys and interviews, and experimentation. Also he covers different kinds of bias in...
Bozeman Science
The Scientific Method
Mr. Andersen gives a brief description of the scientific method.
SciShow
Pluto Might Have a Liquid Water Ocean! SciShow News
Pluto might seem like the least likely place to find liquid water, but thanks to New Horizons, we have new information about oceans on the dwarf planet and more from the outer reaches of the solar system!