New ReviewOur solar system is just like the other solar systems, right? It seems that isn't quite true, but the differences give scientists information about the movement of the planets. An episode of the SciShow Space series describes the physics...

New ReviewIt's all systems go for learning about hydraulic systems. An eBook provides a set of videos and exercise questions for a semester-long course on hydraulics. Six units introduce hydraulics, Pascal's law, hydraulic applications, flow...

New ReviewGeometry—it's not just for the math classroom! Learners explore the field of forestry through a mathematical lens. An instructional resource explains how forest workers collect data about trees such as height, diameter, and age using...

New ReviewWhat is the probability of finding water on the moon? It seems it is pretty high, but the difference between finding it and keeping it are two very different things. A video lesson takes a trip through history discussing the many...

New ReviewJupiter's magnetic field is 20,000 times that of Earth's. An awareness of the strenght of Jupiter's magnetic field is just one of the challenges engineers face when designing spacecraft to visit Jupiter and its moons. Learn more about...

New ReviewThe solar system is more than 4.5 billion years old. What we know about the age of space bodies is thanks to the moon rocks collected over 50 years ago. An episode of the SciShow Space series breaks down the concept of relative dating to...

New ReviewImagine describing what something looks like when you've only seen it from the inside. That's the task astronomers tackle when describing the shape and characteristics of the Milky Way. Using a combination of physics and mathematics,...

New ReviewDon't miss an out-of-this-world tribute to the life of John Glenn, the first astronaut to orbit Earth. The mission itself was not smooth sailing. An interesting video shows viewers how Glenn had to think on his feet to ensure the success...

New ReviewSupporting roles may not be as recognized—but they are no less important! Watch as an installment of the SciShow Space series explains the supporting roles on the Apollo missions. Without these role players, the Apollo missions would not...

New ReviewEvidence suggests that Pluto has undergone polar wander. A video instructor explains how Pluto's axis of rotation may have changed and how this is possible. The lesson focuses on the science behind the discovery and what it tells...

New ReviewEveryone has a responsibility to take care of the environment. Give learners a sense of our environmental concerns with a complete course on environmental biology. The textbook resource includes instruction on topics such as population...

New ReviewWhat could be more real life than a biology course? Mt. Hood Community College offers a complete biology textbook with an emphasis on genetics. Topics range from DNA replication to biotechnology and inheritance patterns.

New ReviewFrom the scientific method to the function of a cell, the eBook has it all. A useful resource provides a free biology textbook with a focus on context. The text begins with an overview of the process of scientific inquiry and biology...

New ReviewScientists discovered a hole in the ozone layer in 1980, and by 2000, the hole was three times the size of the United States. Through global efforts, scientists discovered the cause and worked together to get countries to implement a...

New ReviewThe simple question What time is it? may not be so simple after all. Learn about the history of measuring time and the debate on if time even exists with a short video that considers both classical physics and quantum physics when...

New ReviewIt turns out driving a remote rover from more than 50 million kilometers away is a difficult task. But, what if a drone could scout the terrain in advance? That is the premise of the proposed Mars 2020 rover. A SciShow Space series video...

New ReviewWith better technology comes better information. An interesting video presentation discusses the evidence that makes scientists believe black holes exist in our galaxy. The narrator explains what a black hole is and how one forms.

New ReviewOur planetary neighbor has some explaining to do! Scientists are mystified by the fact that Venus spins in the reverse direction of all other planets. A thoughtful video lesson explains different hypotheses as well as the science leading...

New ReviewFlat, positively curved, or negatively curved ... what is the true shape of the universe? Scientists use many indirect measurements to base their theories on the shape of the universe. Using an installment from the SciShow Space series,...

New ReviewStart to finish, the first satellite was an 84-day project. Follow the process in a video lesson presentation from the SciShow Space series. The narrator explains the decision-making process and structure of the satellite as well as the...

New ReviewCould there really be over 200 billion galaxies? It turns out the number may be closer to two trillion galaxies! A video presentation discusses the existence of galaxies in the universe. The narrator explains how scientists make their...

New ReviewThe first space travel relied on Newton's laws of motion rather than computer functions. While the trip was successful, computer innovations change the capabilities of space travel. A video presentation from the SciShow Space series...

New ReviewIs it possible to contaminate the planets our astronauts or rovers visit? With current technology, it is impossible to send a completely sterile rover to Mars, and there could be up to 30,000 different microbes on the space traveler!...

New ReviewThe Kepler Space Telescope ran out of fuel in October 2018. Learn what the telescope communicated to scientists before its demise! A video lesson from the SciShow Space series highlights the important data the Kepler Space Telescope gave...