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Some Docs Doubt Blood Type, Heart Disease Link
A study links type O blood with a lower risk of heart disease—but not all docs agree.
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Aging City Pipes in Need of a Plumber’s Touch
Water travels to city dwellers by way of old, leaky pipes that are tricky to replace.
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Solar Toilet Disinfects Waste, Makes Hydrogen Fuel
Caltech’s solar toilet took top prize in the Reinvent the Toilet Challenge.
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Working Towards a Universal Flu Vaccine
Vaccine researcher Gary Nabel discusses the ongoing quest to develop a universal flu vaccine.
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Actress Danica McKellar Helps “Girls Get Curves”
Actress and math education advocate Danica McKellar tackles geometry in her latest book.
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Massive “Phoenix Cluster” Supersizes Star Creation
Astronomers have found a massive galaxy cluster that’s making stars at a record pace.
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Arbiter of ‘Interestingness’ Navigates the ‘Net
Internet “curator” Maria Popova describes her brand of “combinatorial creativity.”