Take a trip to the rocky planets—Mercury, Venus, Earth, and Mars—with an engaging video that details their unique attributes.

Get crafty with the help of pictures and a real-time demonstration from a video that details the step-by-step process in creating a paper solar system. 

Learn about the wonders of water and why it is required for life. The resource contains a simulation to see how the molecules interact as a medium for metabolism. 

An environmental science video covers natural and synthetic compounds and the impact they have on the environment. It includes carbon, nitrogen, phosphorous, cyanide, mercury, sulfur, nitrogen dioxide, and endocrine disruptions. 

Mercury, Venus, Earth, and Mars make up the solar system's inner planets. How are the weather patterns on these planets different from Earth's? This is the focus of a video that explains weather conditions on the inner planets.

What are all those shiny things we see in the sky at night? It could be a star, planet, or asteroid! This is the focus of a video that helps viewers distinguish between these three objects in the sky.

Visit the planet Mercury and learn about its orbit, place in the solar system, and difficult past. Closest to the sun and covered in craters, this planet has had it rough. You'll find out that Mercury is actually a dead planet but still...

A video interview with David Peck, D.O. and accompanying transcript examines wilderness medicine in the Lewis and Clark Expedition.

Explanation of the characteristics an object must have to be considered a planet. [7:53]

Mercury is the closest planet to the Sun. It has no atmosphere and is, as such, covered in craters. It's also incredibly hot but, surprisingly, has water ice hiding beneath its surface. [10:17]

See the element mercury in solid form, frozen in the shape of a bell. Dr. Andrea Sella explains the process of making the bell and why he made it, while highlighting some important properties of mercury. [5:05]

University of Nottingham astronomers discuss some interesting facts about Mercury, its orbit around the sun, its rotation on its axis, and its role in establishing General Relativity. [5:55]

Professor Poliakoff and his colleagues discuss the properties and effects of mercury in the environment. [5:12]

Take a tour of the weather and atmosphere on the rocky planets in our solar system. [5:55]

Take a tour of the rocky planets and learn important facts about these planets. Understand that Mercury has no atmosphere which causes its temperatures to vary, Venus is the hottest planet in the solar system, how Earth is unique, and...

Mercury is the closest planet to the sun. It has no atmosphere and is, as such, covered in craters. It's also incredibly hot but, surprisingly, has water ice hiding beneath its surface. [10:18]

Using our understanding of fluid pressure to figure out the height of a column of mercury. [10:09]

This week NASA released data from a recent close flyby of the planet Mercury, including stunning new pictures. We'll talk with one of the researchers on the MESSENGER mission about what they found during the flyby.

Watch a "Pharaoh's Serpent" reaction, which occurs during the combustion of mercury thiocyanate. [0:36]