Crash Course
Natural Selection - Crash Course Biology
Hank guides us through the process of natural selection, the key mechanism of evolution.
Bozeman Science
Environmental Science
In this video Paul Andersen outlines the AP Environmental Science course. He explains how environmental science studies the interaction between earth and human systems. A planetary boundary model is used to explain the importance of...
TED Talks
Nathan Wolfe: The jungle search for viruses
Virus hunter Nathan Wolfe is outwitting the next pandemic by staying two steps ahead: discovering deadly new viruses where they first emerge -- passing from animals to humans among poor subsistence hunters in Africa -- before they claim...
TED-Ed
TED-ED: Population pyramids: Powerful predictors of the future - Kim Preshoff
Population statistics are like crystal balls -- when examined closely, they can help predict a country's future (and give important clues about the past). Kim Preshoff explains how using a visual tool called a population pyramid helps...
Curated Video
Epidemiology
The study of health and disease at the level of populations. 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
Divergence
The process by which new species or variations within species evolve in populations. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
Curated Video
Demographic Transition Model
Exploring models which describe changes in birth and death rates as countries go through five stages of development. How does development impact population age and rate of change? Human Geography - A Changing World - Learning Points. The...
Wonderscape
The Sixth Extinction: Human Impact on Earth's Biodiversity
Explore the concept of the sixth extinction, a period marked by significant biodiversity loss primarily due to human activities. This video delves into how climate change, industrial agriculture, pollution, and overhunting contribute to...
Wonderscape
Understanding Genetic Diversity and Its Impact
Dive into the world of genes and genetic diversity to uncover how these fundamental elements of heredity shape both individual traits and species survival. Explore real-world examples, like the plight of Tasmanian devils, to grasp how...
Healthcare Triage
Public Health Solutions to Climate Change Problems
Much of the conversation around climate change centers on things like lowering carbon emissions, which is obviously critical, but we think the public health response to climate change should be a larger part of the conversation. Whatever...
Great Big Story
Inside the Library Fighting Homelessness
A powerful journey of hope and transformation from the streets to the library
Great Big Story
Why We're Hell-Bent on Saving These Giant Salamanders
Dive into the world of the hellbender, a peculiar-looking salamander, often referred to as the Devil Dog, Snot Otter, or even the Lasagne Lizard. Follow wildlife biologist Wes Larson and researcher Emily Nolan in eastern Tennessee as...
Great Big Story
Inside the Library Fighting Homelessness
A powerful journey of hope and transformation from the streets to the library
Professor Dave Explains
Food Webs and Trophic Cascades
Now that we know about nutrient cycling, we are ready to look at food webs as a whole. These represent feeding relationships within a community.These relationships designate certain trophic levels, so let's learn about what these mean...
Curated Video
GCSE Biology - Interdependence - Community and Competition #84
Ecology is all about how organisms interact. This video explores important terms like interdependence, community, habitat, ecosystem, competition and more while exploring what ecology really is.
Curated Video
GCSE Biology - Food Chains & Predator Prey Cycles #85
For ecosystems to function they need energy; and we can see how this energy moves through ecosystems with food chains. We also explore how the populations of predators and prey vary over time with predator prey cycles.
Curated Video
Ecosystems
Dr. Forrester defines the term ecosystem and talks about the factors that have a negative effect on them. Dr. Forrester will also discuss measures that can be taken to help preserve our ecosystems.
Curated Video
Random Sampling of Populations
"Random Sampling of Populations" uses random sampling to identify the populations of two states in word problems in order to solve.
The Guardian
Europe’s 'baby bust' - can paying for pregnancies save Greece?
Greece’s population is falling fast, with low birth rates and economic instability hitting its island communities hardest. An unconventional new organisation, Hope Genesis, is attempting to inject life back into these remote areas...
Australian Children's Television Foundation
Introduction to the Endangered Freshwater Pygmy Croc
Season 3, Pygmy Crocs part 1 Pygmy crocodiles are unique in many ways and small in size. Their population has been isolated due to changes in water levels. On this mission, Kayne must catch one of these crocodiles in order to take a...
Professor Dave Explains
Scales of Ecology Part 1: Organisms and Populations
The best way to start a study of ecology is to look at the scales of ecology, from the smallest things the field studies, to the biggest. On the small end, ecologists can study individual organisms, as well as populations of those...
Professor Dave Explains
Scales of Ecology Part 2: Communities
Moving on from organisms and populations, the next tier on the scales of ecology is communities. These involve all the populations of organisms of different species that live in an area. How do they interact? How is the community...
Curated Video
R Programming for Statistics and Data Science - Population Versus sample
This video explains population versus sample. This clip is from the chapter "Exploratory Data Analysis" of the series "R Programming for Statistics and Data Science".This section explains exploratory data analysis.
Nature League
Sex Safari - Field Trip
In this Nature League Field Trip, Brit goes on a Montana safari at the National Bison Range and shares some local stories of how species have persisted over time via reproduction.