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For millions of diabetes sufferers, life is a constant battle to keep their blood sugar balanced, which typically means they have to test their glucose levels and take insulin throughout the day.

Researchers at Columbia Engineering School have built optical nanostructures that enable them to engineer the index of refraction and fully control light dispersion. They have shown that it is possible for light (electromagnetic waves) to propagate from point A to point B without accumulating any phase, spreading through the artificial medium as if the medium is completely missing in space

Whoops. Diet soda might have no calories, but that doesn't keep it from growing your waistline. A new study finds that diet drinkers might be even worse off than regular soda drinkers.

Mimicking the highly efficient power-generation process of photosynthesis, an artificial leaf could change how the world gets energy. And new developments at MIT mean it could happen in the next few years. Earlier this year, MIT professor Daniel Nocera made a discovery : By dipping a cobalt-and phosphate-coated artificial silicon leaf into a jar of water, he could effectively mimic photosynthesis and create power at an efficiency greater than today's solar panels

How's this for instant gratification?

How's this for instant gratification? "If you're shopping for a car and spout out a feature you'd like, the factory should immediately start creating it," says Michael Gruninger, who heads the semantics technologies lab at the University of Toronto

The U.S. Environmental Protection Agency has dropped the artificial sweetener saccharin from its list of hazardous substances, the agency said on Tuesday.