This video provides an overview of crocodilians, a diverse group of reptiles found worldwide. It explores their evolutionary history, physical characteristics, hunting behaviors, social structures, mating rituals, and parental care....

Direct sunlight and high humidity can kill the coronavirus in minutes, according to new research announced on April 24 by a senior U.S. official in a press conference with President Donald Trump.

These videos compliment the variety of water quality programs that occur in Acadia National Park. For teachers looking for good background information on water quality or those looking to attend the Floating Classroom field trip, this...

In this video lesson, students will learn how to find the height of a building using the angle-angle criterion for similar triangles. The teacher explains the concept of similar figures, including corresponding angles and corresponding...

Due to thousands of years of geological evolution, Huanglong consists of numerous unique landscapes of geological landforms. Glacial revolution, terrane structure, stratum of carbonic acid rock, tufa water and climatic conditions such as...

This video teaches about color theory using high powered lasers to pop balloons. It is also an experiment in a new kind of educational video that is more interactive for the viewer.

Solar panels are becoming a familiar sight in communities across the United States, but what about solar fuels? A solar fuel is produced from sunlight through artificial photosynthesis, mimicking what Mother Nature has been doing for...

In this video, you will learn how rainbows are formed through the behavior of light waves. Sunlight, composed of different wavelengths, enters raindrops, causing the light to split into a multitude of colors. As the light refracts and...

This live-action video program explores the different climates found on earth. Through use of video footage, photographs, diagrams and colorful, animated graphics and labels, viewers will come to understand how weather, landforms and...

This video highlights the suite of instruments aboard the Lucy spacecraft that will be used to collect data on the Trojan asteroids. Since Lucy will be the first space mission to explore the Trojans, the information...

This video discusses the unique properties and uses of nanoparticles, including their high reactivity and invisibility to the naked eye. The video explores practical applications, such as self-cleaning glass, sunscreen, and the...

It explains solar and lunar eclipses and the causes and conditions for their formation.

A colder than usual winter in the southern hemisphere fed a deep and larger than average hole that persisted for a longer period than usual.

The sun is the primary force in Earth's climate system. Sunlight warms our world. Sunlight drives atmospheric and oceanic circulation patterns. Sunlight powers the process of photosynthesis that plants need to grow. Sunlight causes...

Explore the endangered pine rockland habitat with Ranger Nick.

From June 2002 to early October 2011, the Advanced Microwave Scanning Radiometer for the Earth Observing System (AMSR-E) on the Aqua satellite provided a wealth of data about the Earth's water cycle. Among the many variables...

Scientists have made a biological discovery in Arctic Ocean waters as dramatic and unexpected as finding a rainforest in the middle of a desert. A NASA-sponsored expedition punched through three-foot thick sea ice to find waters...

The 3 simple ingredients of sun, air and water lead to every type of weather on Earth. The atmosphere is constantly trying to balance heat from the sun with water vapor and air to create a dynamic planet. The unique properties of the...

Ozone 101 is the first in a series of explainer videos outlining the fundamentals of popular Earth science topics. Let’s back up to the basics and understand what caused the Ozone Hole, its effects on the planet, and what scientists...

From space, satellites such as the NASA and USGS Landsat 8 can help scientists identify where an algal bloom has formed in lakes or rivers. It’s a complicated data analysis process, but one that researchers are...

This video serves as English listening comprehension practice for beginner students. In this video, a native English speaker talks slowly and clearly about the topic of winter. The subtitles are included at the bottom of the screen to...

NASA scientist Emily Wilson discusses her work developing miniaturized instruments that measure greenhouse gases in the atmosphere. Her latest instrument, the mini-LHR, works in tandem with AERONET, and will contribute to the global...

On this episode of Breaking Trail, Coyote finally catches one lizard he has always been after, the Bearded Dragon! One of Australia’s most iconic lizard species the Bearded Dragon is world famous for its incredibly spiky appearance and...

NASA scientists have discovered a new way to use satellites to measure what's occurring inside Earth's land plants at a cellular level.



During photosynthesis, plants emit what is called fluorescence -- a form of light...