Professor Dave Explains
Why You Should Never Say "It's Just A Theory"
A portion of our culture distrusts the scientific method, assuming that there are transcendent truths unknowable by science. But nothing is truly out of bounds for science. If it's real, it can be studied, and tested. Perhaps the...
NASA
Water Released from Moon During Meteor Showers
Scientists have discovered that water is being released from the Moon during meteor showers. When a speck of comet debris strikes the Moon it vaporizes on impact, creating a shock wave in the lunar soil. For a sufficiently large...
NASA
Celebrating 25 Years of the GLOBE Program
GLOBE, now celebrating its 25th anniversary, is an international program that not only engages students and interested members of the public in hands-on science, but also gives them the opportunity to contribute their observations to a...
Curated Video
Statistics for Data Science and Business Analysis - The Main Measures of Central Tendency: Mean, Median, Mode
This video will introduce you to the three measures of central tendency - mean, median, and mode. This clip is from the chapter "Descriptive Statistics Fundamentals" of the series "Statistics for Data Science and Business Analysis".This...
NASA
NASA in Silicon Valley: SOFIA Shows Ceres' True Composition: NASA in Silicon Valley Podcast
A feature from NASA’s Ames Research Center in Silicon Valley originally posted on January 19, 2017.
NASA
NASA and Partners Get Back into Snow Business
NASA’s SnowEx ground and airborne campaign is a multiyear effort using a variety of techniques to study snow characteristics, and the team began their new field study year in January 2021. Not only is SnowEx learning valuable information...
Mazz Media
Cleaning Up Spills in the Labratory
In this live-action program viewers will learn that scientific disciplines, such as Earth Science, Biology, Chemistry, and Physics, are based on observation and experiment. Students will come to understand that the first line of defense...
NASA
Why Observe?: Land Cover
Nearly every aspect of our lives is fundamentally tied to the land on which we live. Citizens using GLOBE Observer can observe land cover in much greater detail and more frequently than scientists can using satellite data alone. But why...
NASA
NASA | STEREO reveals the Entire Sun
Launched in October 2006, STEREO traces the flow of energy and matter from the sun to Earth. It also provides unique and revolutionary views of the sun-Earth system. STEREO, when paired with SDO, can now give us the first complete view...
NASA
Lucy's Journey
Meet Lucy as she prepares for the first ever journey to the Trojan asteroids, a population of primitive small bodies orbiting in tandem with Jupiter. Video credit: NASA's Goddard Space Flight Center James Tralie (ADNET): Lead Producer...
NASA
A Trip Through Time With Landsat 9
For half a century, the Landsat mission has shown us Earth from space. Now, come along with us on a "roadtrip" through the decades to see how the technology on this NASA and U.S. Geological Survey partnership has evolved with the times...
NASA
A New Kind of Explosion on the Sun
Scientists have just seen a new type of magnetic explosion, known as forced or controlled magnetic reconnection. Music credit: Light Hearted Angst by Dewey Dellay Video credit: NASA's Goddard Space Flight Center Genna Duberstein (USRA):...
NASA
NASA Satellite Measures Human Impact in Water Storage
To investigate humans’ impact on freshwater resources, scientists have now conducted the first global accounting of fluctuating water levels in Earth’s lakes and reservoirs – including ones previously too small to measure from space....
NASA
How NASA Satellites Help Model the Future of Climate
Continuing key observations of the Earth is really important to see how our atmosphere, land and oceans are changing over time. A long-term record, combined with cutting edge observations from the new NASA Earth System Observatory, will...
NASA
Hubble Directly Images Possible Plumes on Europa
NASA's Hubble Space Telescope took direct ultraviolet images of the icy moon Europa transiting across the disk of Jupiter. Out of ten observations, Hubble saw what may be water vapor plumes on three of the images. This adds another piece...
NASA
A Total Solar Eclipse Revealed Solar Storms 100 Years Before Satellites
Eclipses set the stage for historic science. NASA is taking advantage of the Aug. 21, 2017 eclipse by funding 11 ground-based scientific studies. As our scientists prepare their experiments for next week, we're looking back to an...
NASA
Discovering Eurybates' Satellite
On Jan. 9, 2020, the Lucy Mission officially announced that it would be visiting not seven, but eight asteroids. As it turns out, Eurybates, one of the asteroids along Lucy’s path, has a small satellite. Shortly after the Lucy team...
Mazz Media
Prepare and Observe a Microscope Slide
In this live-action program viewers will learn how to prepare a microscope slide properly. Students will come to understand that when making scientific observations, your methods and observations must be clear to other scientists, so it...
NASA
Connect the Drops with NASA Data
The varied landscapes of the United States have unique relationships with water. On the East Coast, rain is a regular occurrence. In the West, drought is a constant threat. Rivers and lakes fed by rainfall, snowmelt or a mix of both...
Curated Video
The Doppler Effect and the Big Bang Theory
The video discusses the Doppler effect, which is the apparent change in the wavelength of a wave when the source of the wave moves relative to the observer. The narrator explains how the Doppler effect can be observed in everyday life...
Visual Learning Systems
Using the Scientific Method: Test Results and Conclusions
This informative and understandable program uses practical examples to help students understand and use the components of the scientific method. Concepts and terminology: hypothesis, experiment, measuring, data, analysis, and conclusion.
Mister Simplify
Sheldon's Personality Theory - Simplest explanation Ever
William Sheldon's Personality Theory or Body Type Theory Sheldon's Personality or Body type theory tries to link people's personalities with their body types. It is interesting to look at Sheldon's perspective on body types and their...
NASA
NASA | Earth Observing Landsat 5 Turns 25 Years Old
On March 1, the Earth-observing Landsat 5 satellite celebrated 25 years in orbit. Twenty-two years beyond its primary mission lifetime, Landsat 5 is still going strong, making it a keystone of the 37-year Landsat Program. Among Landsat...
Curated Video
The Theory of Evolution and its Challenges: Darwin, Lamarck, and the Science Behind Adaptation
This video discusses Charles Darwin's theory of evolution and how it was received at the time it was published. It starts with Darwin's observations during his world expedition in the 19th century, particularly on the finches of the...