We've all got that "shelf of shame" -- a graveyard of ancient laptops, tangled power bricks and printers that haven't seen an ink cartridge since 2010. Letting this e-waste sit in your house is a ...

This crossword is inspired by the most recent issue of Scientific American. Read it here. Print readers, check your answers by selecting “Assist” above and then “Reveal Grid” or by selecting “Print” ...