01/05/2015

A practical gel that simply 'clicks' for biomedical applications

If you opt to wear soft contact lenses, chances are you are using hydrogels on a daily basis. Made up of polymer chains that are able to absorb water, hydrogels used in contacts are flexible and allow oxygen to pass through ...

Unforeseen dangers in a global food system

New York City Mayor Bill de Blasio's claim during a recent blizzard that food delivery bikes were not emergency vehicles caused a small disruption in the City's normally fast, abundant and inexpensive access to nearly any ...

Video: An enormous "plasma snake" erupts from the Sun

Over the course of April 28–29 a gigantic filament, briefly suspended above the surface of the sun, broke off and created an enormous snakelike eruption of plasma that extended millions of miles out into space. The event ...

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