Bozeman Science
System Boundaries
In this video Paul Andersen explains how the boundary between the system and environment is chosen to simplify analysis of a physics problem.
TED-Ed
TED-Ed: There may be extraterrestrial life in our solar system - Augusto Carballido
Is there extraterrestrial life in our solar system? Or are we alone? Take a journey to the ocean worlds on Jupiter and Saturn to investigate the possibility. -- Deep in our solar system, a new era of exploration is unfolding. Beneath the...
Crash Course
Controlling the Environment: Crash Course History of Science
Well, it wouldn't be too long after we started developing Ecology that we would try to control the environment. In some ways this was helpful and likely prevented a lot of people from starving. But, there have been a few downsides.
Crash Course
The Industrial Revolution: Crash Course History of Science
You probably know some of the signs of industrialization in the nineteenth century: Trains connected cities, symbolizing progress. But they also brought about the destruction of rural lands, divisions between social classes, and rapid...
TED Talks
Greta Thunberg: The disarming case to act right now on climate change
In this passionate call to action, 16-year-old climate activist Greta Thunberg explains why, in August 2018, she walked out of school and organized a strike to raise awareness of global warming, protesting outside the Swedish parliament...
SciShow
Why Stimulants Help ADHD
It seems like stimulants and hyperactivity shouldn't mix, so why are they so often prescribed to treat ADHD?
TED Talks
TED: A roadmap for young changemakers | Melati Wijsen
Activism is a tough job, especially for young people yearning for immediate change -- something climate activist Melati Wijsen has learned over ten years of pushing for environmental protection, starting at age 12 in her home on the...
Crash Course
The History of Life on Earth - Crash Course Ecology
With a solid understanding of biology on the small scale under our belts, it's time for the long view - for the next twelve weeks, we'll be learning how the living things that we've studied interact with and influence each other and...
TED Talks
Katharine Hayhoe: The most important thing you can do to fight climate change: talk about it
How do you talk to someone who doesn't believe in climate change? Not by rehashing the same data and facts we've been discussing for years, says climate scientist Katharine Hayhoe. In this inspiring, pragmatic talk, Hayhoe shows how the...
Crash Course
Focus & Concentration: Crash Course Study Skills
Have you ever noticed how easy it is to get distracted while studying - even when you know you really don't have time for Facebook, Snapchat, Cookie Clicker, or whatever else is calling you? This week we're going to help you get a better...
TED Talks
TED: The intended consequences of helping nature thrive | Ryan Phelan
From a special black-footed ferret to coral that can withstand warming waters, genetic rescue efforts that use genomics and synthetic biology are helping nature thrive. But despite the huge successes of this kind of intervention,...
Bozeman Science
Global Climate Change
In this video Paul Andersen explains how the climate on the earth is affected by the amount of solar radiation and the greenhouse affect. The addition of anthropogenic greenhouse gases has led to global warming which is impacting humans...
Bozeman Science
The Secret of Life
Paul Andersen explains how the central dogma of biology explains life on our planet. He starts with a brief discussion of common characteristics of all life. He then explains how DNA is used to make proteins which in turn make you. He...
Bozeman Science
Homeostasis Preview
Paul Andersen reviews the major components of the homeostasis. He explains how organisms respond to abiotic and biotic factors in their environment with feedback loops. He shows how responses can be behavioral or physiological.
TED Talks
Daniel Reisel: The neuroscience of restorative justice
Daniel Reisel studies the brains of criminal psychopaths (and mice). And he asks a big question: Instead of warehousing these criminals, shouldn't we be using what we know about the brain to help them rehabilitate? Put another way: If...
Bozeman Science
ESS3A - Natural Resources
In this video Paul Andersen explains how the resources required for survival come from the Earth. The resources are not evenly distributed on the planet and neither are the humans. According to the NGSS we need to limit the use of...
TED Talks
TED: 24 hours on Earth -- in one image | Stephen Wilkes
Nature reveals itself to us in unique ways, if we stop and look at the world through a window of time, says photographer Stephen Wilkes. Using a special photographic technique that reveals how a scene changes from day to night in a...
SciShow
Why Are There So Many Species Near the Equator?
Tropical rainforests are known for being super biologically diverse _ they're full of different species, from colorful birds and insects to plants and fungi. We haven't even come close to cataloguing everything that's there.
SciShow
Slime Mold: A Brainless Blob that Seems Smart
Slime molds look gross and... not smart, but they definitely seem to communicate and plan even without neurons. Michael explains the science behind these clever eukaryotes.
TED Talks
Alasdair Harris: How a handful of fishing villages sparked a marine conservation revolution
We need a radically new approach to ocean conservation, says marine biologist and TED Fellow Alasdair Harris. In a visionary talk, he lays out a surprising solution to the problem of overfishing that could both revive marine life and...
TED Talks
Tshering Tobgay: An urgent call to protect the world's "Third Pole"
The Hindu Kush Himalaya region is the world's third-largest repository of ice, after the North and South Poles -- and if current melting rates continue, two-thirds of its glaciers could be gone by the end of this century. What will...
MinuteEarth
Cómo Ayudar A La Gallina A Cruzar La Carretera
¿Por qué la gallina NO cruzó la carretera? Es una pregunta con más interés de lo que parece. ----------------------- Este video es una traducción de "Five Crazy Bridges for Animals" ----------------------- MinutoDeLaTierra proporciona...
TED Talks
TED: How cities are detoxing transportation | Monica Araya
People around the world are demanding clean air -- and cities are starting to respond, says electrification advocate Monica Araya. She takes us on a world tour of urban areas that are working to fully electrify their transportation...
TED Talks
TED: The untapped energy source that could power the planet | Jamie C. Beard
Deep beneath your feet is a molten ball of energy the same temperature as the surface of the sun -- an immense clean energy source that could power the world thousands of times over, says technologist and climate activist Jamie C. Beard....