Science360
Hydraulic fracturing: Using scientific methods to evaluate trade-offs
In Colorado, drilling for oil and natural gas using hydraulic fracturing, sometimes referred to as fracking, is big business. But questions about its impact on the air and water are far from settled. With support from the National...
Curated Video
Exploring the Kuiper Belt: Home of Dwarf Planets and Frozen Debris
In this video, the topic of discussion is the Kuiper Belt, a region in our solar system that extends from the orbit of Neptune. It is similar to the asteroid belt but much larger, and is home to three recognized dwarf planets, including...
Catalyst University
Intestinal Sulfate Reduction to H2S by Sulfur-Reducing Bacteria
In this video, we will explore the source of the major cause of the smell of flatulence. Intestinal sulfate-reducing bacteria reduce sulfate to hydrogen sulfide (H2S). We will see the biochemical pathway here and how it is coupled to...
Next Animation Studio
Permafrost melt releasing stored methane
Researchers from the University of Alaska at Fairbanks (UAF) have identified tens of thousands of methane seeps in areas along the coast of Alaska and Greenland. Some experts believe the escape of large quantities of previously frozen...
NASA
ATom Mission interview clips — Donald Blake
Snakes on a NASA plane! No, not that kind of snake. Donald Blake from the University of California Irvine with the #EarthExpedition ATom mission explains why "snakes" are part of the Whole Air Sampler from behind the scenes on the DC-8...
Australian Broadcasting Corporation
Can Seaweed Save the World: Alternative uses of seaweed
Professor Tim Flannery investigates how seaweed is helping to save the world. From growing the foods of the future, helping clean polluted water and even combating climate change. What does Rocky De Nys do with all the seaweed he's...
Curated Video
I WONDER - What Is A Landfill?
This video is answering the question of what is a landfill.
PBS
Beef Is Bad For The Climate. Can We Make It Better?
Beef production emits more greenhouse gases than basically anything else we eat, so let's look at the scale and impact of our bovine pals - and importantly, what we can actually do to make beef less bad.
NASA
NASA | Taking on Titan: An Interview with Carrie Anderson
When she was a little girl, Carrie Anderson dreamed of becoming an astronomer. Now, as a space scientist at NASA Goddard Space Flight Center, Carrie studies the atmosphere on Titan, one of Saturn's moons and the second largest moon in...
NASA
ATom Mission interview clips — Tom Ryerson
A flat line of data may not look interesting, but Tom Ryerson of NOAA with the #EarthExpedition ATom mission explains how it could reveal how tropospheric ozone is removed from the atmosphere. The ATom mission aboard NASA’s DC-8 flying...
NASA
ATom Postcard - Punta Arenas to Ascension Island
Atmospheric scientist Róisín Commane and Principal Investigator Steven Wofsy both of Harvard University sent back a video postcard from the Atlantic legs of the Atmospheric Tomography, or ATom, mission. The science team left...
NASA
ATom Mission interview clips — Róisín Commane
To measure the background atmosphere you need a sensitive instrument. Róisín Commane of Harvard University with the #EarthExpedition ATom mission explains how her instrument uses lasers to detect greenhouse gases. The ATom mission aboard...
Next Animation Studio
Increased methane emissions linked to fossil fuel usage: Study
A new study published by the University of Rochester in Nature magazine has found that human activity has been contributing significantly to the rise of methane emissions via the use of fossil fuels.
TMW Media
Uranus & Neptune, Gas Giants: Characteristics of Uranus and its moons
How long did it take Voyager 2 to reach Uranus? How far is Uranus to the sun? What are the layers of Uranus made of? Uranus & Neptune, Gas Giants, Part 1
Curated Video
I WONDER - What Issues Does Wasting Food Create?
This video is answering the question of what issues does wasting food create.
NASA
ATom Mission interview clips — Jack Dibbs
Flying into "clean" air during #EarthExpedition ATom mission, Jack Dibbs of the University of New Hampshire explains what he expects to find on his aerosol filters as they travel to the remotest parts of the atmosphere. The ATom mission...
NASA
NASA | Arctic Sea Ice Update, Aug. 2013
An interview with NASA cryospheric scientist Dr. Tom Wagner, on the state of this summer's Arctic sea ice.
NASA
ATom Postcard - Azore Islands to Kangerlussuaq
Atmospheric scientists Bernadett Weinzierl of the University of Vienna, Paul Newman of Goddard Space Flight Center, and Róisín Commane of Harvard University sent back a video postcard from the last three legs of the Atmospheric...
Curated Video
The Cycling of Life: Understanding the Carbon, Water, and Organic Material Cycles in Ecosystems
This video discusses the importance of material recycling in ecosystems, specifically focusing on the carbon and water cycles and the process of decomposition. It explains how plants play a crucial role in the carbon cycle by removing...
Science360
Ice Core Secrets Could Reveal Answers to Global Warming - Science Nation
At the Stable Isotope Lab in Boulder, Colo., scientists are doing a lot of the same things that those CSI folks do on TV. But instead of being "crime scene investigators," these experts are more like "cold scene investigators."...
NASA
NASA | The Mystery of Martian Methane
Mike Mumma and his team of researchers at Goddard Space Flight Center have made the first definitive observations of methane in the atmosphere of Mars. The evidence of methane plumes only during certain seasons and the chemical processes...
Professor Dave Explains
IIT/JEE Chemistry Practice #21: Properties of Gases
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
Curated Video
Can You Light A Fart On Fire?
Out of all the gases in our farts, hydrogen, and methane are the flammable ones. This means they can be set on fire. Even though you produce flammable gases, it isn’t enough to create a flamethrower. Humans can fart anywhere between...
Professor Dave Explains
Visualizing Molecular Geometry With 3D Software
We've already learned about VSEPR theory, and how to use it to predict the shapes of various molecules. But we didn't cover all of the molecular geometries for certain hybridizations, and we didn't talk about bond angles, so let's do...