What's behind smelly wine

Aging often improves the flavor of wine, but sometimes the beverage emerges from storage with an unpleasant smell. One of the prime culprits is hydrogen sulfide (H2S), which can give the affected wine an aroma of sewage or ...

Distant NASA camera yields new Earth views

The Earth Polychromatic Imaging Camera (EPIC) instrument operates aboard the National Oceanic and Atmospheric Administration's (NOAA) Deep Space Climate Observatory (DSCOVR) satellite, which launched in February 2015 and ...

Stretchy solar cells a step closer

Organic solar cells that can be painted or printed on surfaces are increasingly efficient, and now show promise for incorporation into applications like clothing that also require them to be flexible.

Monitoring air pollution after Hurricane Maria

When Hurricane Maria struck Puerto Rico on September 20, 2017, the storm devastated the island's electrical grid, leaving many people without power for months. This lack of electricity, as well as other storm-related damage, ...

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