The Apple iPod, currently the world's best-selling line of digital audio players, was unveiled in 2001 for the Mac, and in 2002 for Windows. iPods store and play songs in a variety of digital formats, including MP3, Apple Lossless, and AAC. The combination of sound quality, sleek design, and slick user interface, coupled with a bold marketing campaign, has made the iPod a hit. By the end of 2006, over 67 million iPods had been sold. What medical problem may be associated with prolonged iPod use?
Back in the day
Magellan's expedition sailed down the South American coast, through the Straight of Magellan, and across the Pacific Ocean, which Magellan himself named. The voyage proved definitively the roundness of the earth and revealed the Americas as a new world, separate from Asia. Though Magellan is often credited with being the first to circumnavigate the globe, he himself died in the Philippines and never returned to Europe. How many of his original crew members made it back to Spain?
Born on a day like today
At the outbreak of WWI, Hoover devoted himself to humanitarian efforts, arranging the return of Americans stranded abroad and securing supplies for civilians of war-devastated Europe. He was later elected President of the US, but his administration was dominated by the economic depression that followed the 1929 stock market crash. Believing the economy would regenerate spontaneously, he was reluctant to extend federal activities. What was the unemployment rate at the end of his presidency?