Bozeman Science
Mechanisms that Increase Genetic Variation
Paul Andersen describes mechanisms that increase the genetic variation within a population. He begins by discussing how horizontal transfer can move genetic material between bacteria. Transformation, transduction, and conjugation in...
Crash Course
Fitting Models Is like Tetris - Crash Course Statistics
Today we're going to wrap up our discussion of General Linear Models (or GLMs) by taking a closer looking at two final common models: ANCOVA (Analysis of Covariance) and RMA (Repeated Measures ANOVA). We'll show you how additional...
Bozeman Science
Biodiversity
Paul Andersen explains the importance of biodiversity. He starts by describing how biodiversity can be species, genetic or ecosystem diversity. He explains the importance of keystone species in an environment and gives two examples; the...
SciShow
Common Misconceptions About Evolution
Evolution is particularly vulnerable to misunderstandings around the scientific language. SciShow clears up some confusing language!
Crash Course
Darwin and Natural Selection: Crash Course History of Science
"Survival of the Fittest" sounds like a great WWE show but today we're talking about that phrase as it relates to Charles Darwin and Alfred Wallace. Darwin and Wallace are at the heart of understanding evolution and natural selection....
Bozeman Science
Population Variation
Paul Andersen explains the importance of genetic variation within a population. He begins with a discussion of the devil facial tumor that is a form of cancer transferred between Tasmanian devils. He then explains how a decrease in...
Crash Course
Test Statistics - Crash Course Statistics
Test statistics allow us to quantify how close things are to our expectations or theories. Instead of going on our gut feelings, they allow us to add a little mathematical rigor when asking the question: “Is this random… or real?” Today,...
TED Talks
Juliet Brophy: How a new species of ancestors is changing our theory of human evolution
In 2013, a treasure trove of unusual fossils were uncovered in a cave in South Africa, and researchers soon realized: these were the remains of a new species of ancient humans. Paleoanthropologist Juliet Brophy takes us inside the...
Crash Course
Natural Selection - Crash Course Biology
Hank guides us through the process of natural selection, the key mechanism of evolution.
Science Buddies
Simple Explanation of the K-Means Unsupervised Learning Algorithm
Explore how machine learning can recommend music based on similarity
Curated Video
How to Maintain Document Version Control on Your Project
On a project, we can end up in all sorts of trouble, if we have multiple versions of the same document, and make a mistake about which is current. If we act on out-of-date information, we can easily make a big mistake. So, we need...
Curated Video
Learn Midjourney For Your Future 6 Figure Career - Discover Better Prompts
In this video, you will learn to use the Midjourney interface and use the Explore tab or the Showcase tab. It will showcase the various images and categories of images available. We will begin by creating basic prompts and then fine-tune...
Curated Video
Blood pressure
The pressure that blood exerts against the walls of blood vessels. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce...
Curated Video
Covalent bond
A strong chemical bond formed when atoms share pairs of electrons, forming molecules. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
Curated Video
Precision
How repeatable a measurement is. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract concepts and key...
Curated Video
Solution
A homogeneous mixture of more than one substance, with the different particles evenly distributed throughout. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Biodiversity
The variation of life forms within an ecosystem or across the planet. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...
Curated Video
Corona
The outer atmosphere of the sun. A thin, extremely hot plasma - over a million degrees celsius, compared to around 6000 degrees for the visible surface. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using...
Curated Video
Allele
Alternative forms of a gene, which affect the expression of a particular trait, such as eye colour or blood type. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Analogue
An analogue signal is one in which any variation in amplitude or frequency is continuous. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
Curated Video
Mercury
Where does Mercury fit into the Solar System and what makes this planet unique? Physics - Our Solar System - Learning Points. Mercury is the smallest planet in our Solar System. Mercury is the closest planet to the Sun. Mercury has the...
Curated Video
Antenna
A transmitter or receiver that converts alternating electric currents into electromagnetic waves, or vice versa. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Atomic weight
The average mass of atoms of an element. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract concepts and key...
Curated Video
Climate Zones
What makes one region of Earth so dry, and another so wet? And what impact does this have on landscapes, wildlife and weather? Earth Science - Weather - Learning Points. Our climate shapes our planet's habitats and biodiversity. Climate...