Sometimes you don’t understand your teacher, your textbooks make no sense, and you have to read sixteen chapters by tomorrow. SparkNotes is a resource you can turn to when you’re confuzzled. They help you understand books, write papers, and study for tests. They are clear and concise, but they never leave out important info.
Sounds of Mars
Grab your headset, turn up the volume and listen for the subtle differences between the sounds on Earth versus the sounds of Mars.