Space probe sent to check Einstein's Theory

Available for over a year

Gravity Probe B will measure space-time curvature near Earth in order to test Einstein's General Theory of Relativity experimentally – and the results can be expected in 18 months. Can seaweed help reduce levels of dangerous insecticide DDT in contaminated soil? Studying the way stars are moving in the Milky Way. Meet the professor whose lecture sums up "The whole of physics in a crystal of ice".