Were you a subpar student? Too busy focusing on Suzy Johnson’s legs in the 10th grade to muster up more than a C- in Biology? This week’s Blu-ray Deal of the Week at Amazon features two sets of documentaries that will not only look darn good on your display, they’ll also learn ya real good like. Now through April 28 save over 50% on both the BBC Natural History Collection ($62.99) and The Universe Megaset ($58.99). The BBC offering includes Planet Earth: Special Edition, Galapagos, Ganges, and Wild China. The Universe set contains 16 discs, including The Universe: 7 Wonders of the Solar System in 3D. It’s never too late to learn, friend. Follow these links directly to the BBC Natural History Collection and The Universe: The Complete Series Megaset on sale at Amazon.