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NASA ScienceCasts Narrators

Earth, ISS
Oct 5, 2018
NASA's ECOSTRESS mission is studying how plants sweat, providing detailed measurements of plant temperatures from space.
Earth, Climate Change
Jun 27, 2016
A global effort to monitor air quality is in the works as the US, Korea, and the European Union prepare to launch geostationary satellites capable of monitoring pollutants and other aerosols.
Monitoring Air Quality Poster 1
Earth, Sun, Earth’s Space Environment
Jun 14, 2016
Dynamic bubbles of ionization in Earth's upper atmosphere can cause GPS signals to "twinkle" like stars, affecting the quality of navigation on Earth below. NASA recently conducted a mission called CINDI to investigate this phenomenon.
Twinkle Twinkle GPS Poster 1
Earth, Climate Change
Jan 26, 2016
The Jason-3 satellite, launched on January 17, 2016, is allowing scientists to continue a 23-year record of crucial ocean monitoring.
Measuring the Rising Seas Poster
Earth
Dec 18, 2015
The Deep Space Climate Observatory, a NOAA mission that carries NASA instruments, is providing a "new and complementary" view of Earth that is amazing scientists and lay people alike.
Return of the Blue Marble Poster
Earth
Dec 1, 2015
A new NASA-funded tool is taking some of the ‘wild’ out of wildfires by making it possible for U.S. fire managers to better spot dangerous blazes.             
Taking the Wild Out of Wildfire Poster
Earth
Aug 28, 2015
NASA-supported researchers have found that ice covering Greenland is melting faster than previously thought. The action is happening out of sight, below the surface.
The Hidden Meltdown of Greenland Poster
Earth
Jul 21, 2015
Predicting floods is notoriously tricky. Sponsored by NASA, a new computer tool known as the "Global Flood Monitoring System" is improving forecasts.
Predicting Floods Poster
Earth
Jun 25, 2015
With support from NASA, the EPA has developed an app to track algae that can threaten fresh water supplies.
Good Bad Algae Poster
Earth
May 22, 2015
The common roundworm shares a surprising amount of genetic material with humans - enough, in fact, to make them the good substitutes for astronauts in low-gravity medical studies.
ScienceCasts: Roundworms Have the Right Stuff
Universe, Earth, Solar System
Apr 30, 2015
April 30, 2015:  The planet closest to the Sun is, ironically, one of the coldest. That’s just one of many mind-bending discoveries about Mercury that NASA’s MESSENGER spacecraft beamed back to Earth over the past 7 years.  Earlier today, the mission ended with a crash as spectacular as... Read More
Global image data from MESSENGER spacecraft
Earth
Apr 28, 2015
The Amazon rainforest and the Sahara desert seem utterly different. Yet NASA satellites have discovered a surprising connection that intimately links these two disparate parts of our planet.
ScienceCasts: Desert Dust Feeds Amazon Forests
Earth, Sun, Solar System
Feb 6, 2015
Feb 6, 2015: Every 13 months, Earth and Jupiter have a close encounter.  Astronomers call it an "opposition" because Jupiter is opposite the Sun in the sky. Our solar system’s largest gas planet rises in the east at sunset, and soars overhead at midnight, shining brighter than any star in the... Read More
Earth
Feb 5, 2015
NASA has launched SMAP, a new satellite to study water, not in oceans or lakes but in the soil beneath our feet. This often overlooked repository of water can have big effects on weather, climate, drought and agriculture.
ScienceCasts: Mud Matters
Earth
Jan 11, 2015
Jan. 11, 2015:   Rivers of glacial meltwater flowing over Greenland's frozen surface may be contributing as much to global sea level rise as all other processes that drain water from the melting ice sheet combined, according to researchers at the University of California, Los Angeles,... Read More