How Stem Cells Work
Last week, the U.S. government approved the first human embryonic stem cell batches that can be used in federally funded studies. What are stem cells, and why has their use in research been so controversial?
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How to Use a Handheld GPS
If you own a handheld GPS device, your days of getting lost are now over. This little gadget can lead you out of the jungle or help you navigate a crowded city. How do you put a GPS device to work?
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10 Ways Better Appliances Lead to Better Cooking
Better appliances don't make a bad cook good, but they can help make good food better. What types of kitchen equipment can make cooking easier, safer and tastier?
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What causes tone deafness?
As you watch someone happily murder every song he belts out at the karaoke bar, you have to wonder whether it's caused by the growing bar tab, a total lack of embarrassment or simple tone deafness. Why do some of us hear music so differently?
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