Green shoots: Rooftop farming takes off in Singapore

On the rooftop of a Singapore shopping mall, a sprawling patch of eggplants, rosemary, bananas and papayas stand in colourful contrast to the grey skyscrapers of the city-state's business district.

Ions, not particles, make silver toxic to bacteria

(Phys.org) -- Rice University researchers have settled a long-standing controversy over the mechanism by which silver nanoparticles, the most widely used nanomaterial in the world, kill bacteria.

Making industrial plasma safer

(Phys.org) —EPFL scientists have uncovered the physics behind the formation of plasmoids – funnel-like, high-energy plasmas that can severely damage industrial plasma reactors, causing millions in repairs and lost productivity ...

New Zealand counts wildlife cost from oil spill

In a wildlife rescue centre on New Zealand's Bay of Plenty, volunteers grimly bag the oil-soaked bodies of dead birds, victims of the country's biggest sea pollution disaster.

Putin receives 'prehistoric' water from Antarctic lake

Prime Minister Vladimir Putin was given a water sample Friday taken from a pristine lake hidden under Antarctic ice for over a million years, after Russian scientists drilled down to its surface.

High-energy observatory launches this week

If everything goes according to plan, on Wednesday, Aug. 19, at 6:45 a.m. St. Louis time, NASA TV will broadcast the launch of a cargo container at the Tanegashima Space Center off the southern coast of Japan. In addition ...

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