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  • Electricity from Sewage 

    Science Update

    In this Science Update we learn how researchers are using leftover material—wastewater—as a way to generate electricity.

    6,7,8,9,10,11,12
  • Subvocal Speech 

    Science Update

    Researchers are trying to develop a silent communication system using the nerve signals that tell your throat and tongue to form words.

    6,7,8,9,10,11,12
  • Artificial Sweeteners 

    Science Update

    With millions of Americans following low-carb, low-sugar diets, artificial sweeteners are more popular than ever. You will learn in this Science Update, however, about new research that suggests that these sugar substitutes may actually promote overeating in the long term.

    6,7,8,9,10,11,12
  • Thick & Thin Foods 

    Science Update

    From sodas to health shakes, people are drinking more calories than ever before. In this Science Update, hear how this increase may be linked to obesity.

    6,7,8,9,10,11,12
  • Cough Medicines 

    Science Update

    A 2004 report in the journal Pediatrics questioned the effectiveness of over-the-counter children's cough medicines. In this Science Update, you'll hear more about the study, and why some medicines may have escaped this sort of rigorous testing.

    6,7,8,9,10,11,12
  • Fish Ears 

    Science Update

    New discoveries about a fish's mating ritual may shed light on a cause of hearing loss in humans.

    6,7,8,9,10,11,12
  • Robot Farmers 

    Science Update

    In this Science Update, learn about how scientists are now designing fleets of small, cheap robots that may revolutionize farming.

    6,7,8,9,10,11,12
  • Hearts and Worms 

    Science Update

    A worm that has no heart may help scientists figure out why might help scientists figure out why some useful drugs produce a deadly heart reaction in some people.

    6,7,8,9,10,11,12
  • Cowbird Nestmates 

    Science Update

    Anyone with older brothers or sisters has probably been bullied around at home at least once in a while. But if your older brother or sister were a cowbird, you'd probably have a lot more to complain about. You'll learn why in this Science Update.

    6,7,8,9,10,11,12
  • Time Flies 

    Science Update

    You can say "time flies when you're having fun," but this is also true when you're attention is focused on something difficult. A recent study may explain why.

    6,7,8,9,10,11,12
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