Space weather gets nasty when the sun starts shooting plasma into the cosmos, and these solar storms wreak havoc on both satellites and gadgets here on earth. Scientists want to predict the sun's eruptions so we can protect our gear (and know the best time to go tanning), and George Mason University researchers have made a discovery that may help us do so. By examining images from NASA's Solar Dynamic Observatory spacecraft, Professor Jie Zhang and grad student Xin Cheng determined that magnetic ropes are causi