Crash Course
The Modern Revolution: Crash Course Big History
In which Hank and John Green teach you a Crash Course on the modern revolution, and the upside of the progress that humanity has made in the last 500 years or so. And while there are two sides to every history, and many of these changes...
Crash Course
The Modern Revolution Crash Course Big History 8
In which Hank and John Green teach you a Crash Course on the modern revolution, and the upside of the progress that humanity has made in the last 500 years or so. And while there are two sides to every history, and many of these changes...
SciShow
5 Things We Can Learn From Alaska
Science probably isn’t the first thing that pops into your head when you think about Alaska, but it has a lot to offer when it comes to learning about the world, from cold corals to our behavior.
Bozeman Science
Communities
Paul Andersen explains the major classification terms in ecology and how a community can be measured by species composition and species diversity. The symbiosis of leaf cutter ants is included. The podcast ends with a discussion of...
SciShow
Why These Bees Just Keep Staring at Flowers
You might have wondered why bumblebees stop for a moment to stare at the flower they were just interacted with. Are they cherishing all the good times they had together, or is this behavior serving a biological purpose?
Crash Course
Migrations and Intensification Crash Course Big History 7
In which Hank and John Green teach you about humanity conquering the Earth. Or at least moving from Africa into the rest of the Earth. As human beings spread out across the world and populations grew, humanity reached a critical mass of...
Bozeman Science
Logistic Growth
Paul Andersen explains how populations eventually reach a carrying capacity in logistic growth. He begins with a brief discussion of population size ( N ), growth rate ( r ) and exponential growth. He then explains how density dependent...
Crash Course
Why Early Globalization Matters: Crash Course Big History
Globalization has been in process for centuries, and has had a huge effect on Big History, and on Collective Learning. This week, Emily is investigating early globalization through three things that moved around the world and shaped...
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...
Crash Course
Population & Food: Crash Course Geography
Today we’re going to talk about the link between population and food energy. As the world's population keeps growing, finding ways to provide enough food and water for everyone while supporting a sustainable environment can be tricky!...
Curated Video
Human Population Growth - Crash Course Ecology
If being alive on Earth were a contest, humans would win it hands down. We're like the Michael Phelps of being alive, but with 250,000 times more gold medals. Today Hank is here to tell us the specifics of why and how human population...
Bozeman Science
r and K selection
Paul Andersen explains the differences between an r and a K selected species. He starts with a brief description of population growth noting the importance of; r or growth rate, N or number of individuals in the population, and K the...
Bozeman Science
Population Ecology
In this video Paul Andersen explains how population ecology studies the density, distribution, size, sex ration, and age structure of populations. Intrinsic growth rate and exponential growth calculations are included along with a...
Crash Course
Migrations and Intensification: Crash Course Big History
In which Hank and John Green teach you about humanity conquering the Earth. Or at least moving from Africa into the rest of the Earth. As human beings spread out across the world and populations grew, humanity reached a critical mass of...
Bozeman Science
Ecosystems
Paul Andersen explains how ecosystems interact with biotic and abiotic factors. He explains and gives examples of food chains and food webs. He shows how limiting factors eventually leads to logistic growth. Real data from Yellowstone...
Curated Video
Data Science - Time Series Forecasting with Facebook Prophet in Python - How Does Prophet Work?
In this video, we will understand concepts behind Facebook Prophet and understand how it works. This clip is from the chapter "Facebook Prophet" of the series "Data Science - Time Series Forecasting with Facebook Prophet in Python".In...
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...
Primer
Simulating Competition and Logistic Growth
When resources are limited, how do populations grow (or not)?
PBS
Humans and the Environment
What is “the environment”? Well, it’s everything, and it’s everywhere, including you and me. Just about every part of human civilization depends on a healthy and stable environment. Yet, human activity is causing pollution, climate...
Primer
Simulating Competition and Logistic Growth
When resources are limited, how do populations grow (or not)?
msvgo
Population Growth
This nugget explains the different growth models in population ; exponential growth and logistic growth and their attributes
AFP News Agency
VOICED : Rhinos in Kenya transported to new home
VOICED : Rhinos in Kenya transported to new home
AFP News Agency
CLEAN : Rhinos in Kenya transported to new home
CLEAN : Rhinos in Kenya transported to new home