A piece of gold walks into a classroom and the teacher says, "Au, get out." Observe the process of gold plating a cheap watch to better understand the properties of gold. Throughout the experiment, the professor shares the history, uses,...

The densest naturally occurring element is osmium. The professor shares his knowledge of the 76th element as part of the ongoing series about every element in the periodic table. Viewers learn about the properties, dangers, and uses for...

Most mobile phones use tantalum in their processors. Scholars learn about tantalum as they view episode 73 in the 118-part series on each of the elements in the periodic table. It shares the properties of tantalum and one common...

Did you know the element lutetium is named after Paris, France? Learn about this interesting connection and more as you watch video 71 in a 118-part series. Each video discusses one element in the periodic table and the associated...

Did you know an insect has unique mouthparts based on what and how it eats? This is a simple way to identify the order an insect belongs to. Watch a video that explains the interesting world of insect mouthparts.

Research on ytterbium started in 1787, yet a pure sample wasn't obtained until 1953. As part of a series of videos on the elements of the periodic table, element 70, ytterbium, stars in this one. Viewers see the quarry where it was...

Charles James tried 15,000 times to recrystallize thulium before he was able to isolate it. Learn more about this uncommon and expensive element in a feature episode from a longer series on chemical elements. A chemistry professor...

Samarium finds use in carbon arc lighting, optical lasers, and nuclear reactors. Chemistry professors offer more interesting facts about the element as part of a larger series covering each of the elements on the periodic table. Viewers...

Scientists discovered cerium helps reduce carbon monoxide emissions in cars. As part of a series on each of the elements, cerium stars in an engaging video. Scholars learn about the properties and applications of the metal in a short...

Most of the iodine produced gets used in livestock feed. Learn more about iodine in a video from a series on each of the chemical elements. Chemistry professors share the properties, history, and applications of this element. Viewers...

The word molybdenum comes from molybdo, Greek for lead, because it was confused for lead until 1778. As part of a series on chemical elements, a video focuses on molybdenum. The transition metal turns nitrogen in the atmosphere into a...

Explore characteristics of three moons that have traits all their own! An episode of a solar system video playlist explores three moons of the solar system: Miranda, Iapetus, and Hyperion. These moons of Uranus and Saturn vary in their...

Communication through the solar system is a challenging task. Sending probes to different locations in our solar system helps scientists learn about these bodies. As these probes are sent farther and farther from Earth, receiving their...

Explore the theory of relativity in relation to spacetime! An intriguing lesson explains the concept of spacetime and how time does not change at the same rate for everyone. As a lesson in a larger solar system playlist, the video...

The nesting dolls of stars have been discovered! Although scientists believed it to be true, only recently have they located a star with a core of another star. The episode of a comprehensive solar system series describes how...

Erbium finds uses in welding masks, wrinkle removers, and Internet connections. Chemistry professors share their excitement about the properties and applications of this interesting rare earth element. The video fits as part of a series...

The name dysprosium came from the Greek word dysprositos, meaning hard to get. An episode of a series on each of the elements of the periodic table explores dysprosium. Chemistry professors share the properties and applications of the...

Terbium finds applications in hybrid cars and wind turbines—very important in today's quest to discover energy solutions! Learn more about this lanthanide in an episode from a series about each of the element on the periodic table. A...

Gadolinium includes unusual superconductive properties. Learn more about these in a video from a series covering the elements of the periodic table. Chemists discuss the properties and applications of this rare earth metal to both inform...

Should we consider promethium a rare earth element when it doesn't naturally occur on Earth? This topic and others star in an episode of a series about each of the elements on the periodic table. Learn about this highly radioactive...

You can use praseodymium in welding goggles, jewelry-making, and to stain glass. Learn more about a beautiful element as you enjoy and episode from a larger series on each of the chemical elements. It shares some of the properties and...

One radioactive isotope of barium has a half life that is longer than the age of the universe. Chemistry students and a professor present a video, focused on barium, as part of a series on the periodic elements. They share the...

The official definition of a second of time is the length of time it takes caesium to absorb a specific number of cycles of light. Chemistry professors share the properties and applications of the most alkaline element on Earth. Through...

The US Department of Energy estimates the demand for tellurium will cause a deficiency by 2025. Chemistry professors introduce this semi-metallic element as part of the larger series introducing each element on the periodic table. They...