See Biotechnology . See Creativity . There are now more than 100 million wireless users in the U.S. See Convergence . Scientists have developed a new way to use tiny strands of DNA to form extremely small electrical wires, which could vastly speed up computer chips. See Innovation .
New software lets suspicious spouses keep tabs on what their husbands and wives do online.
Sometimes the secret surveillance results in broken marriages. See Culture . Plus, many other stories, including educational software and killer asteroids, all on our homepage .