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Less power, lower emissions: improving AC technology
Less power, lower emissions: improving AC technology
by  AFP

With air conditioner demand surging, scientists are looking for ways to improve the energy efficiency of cooling systems and limit damaging emissions that accelerate global warming. Separate groups of scientists at the National University of Singapore (NUS) and the Wyss Institute at Harvard University, respectively have built air conditioners that use water to cool the air.

The fight to save 'sacred' Carpathian forests from loggers
The fight to save 'sacred' Carpathian forests from loggers
by  AFP

Vast gaps in the forest canopy are visible from above Romania's Carpathian mountains, while stumps studding the ground are reminders of the trees chopped into logs and piled beside dirt roads. Slovakia's share of the Carpathians -- second in size to Romania's -- has also come in for environmental concern.

Venezuela torture victim uses VR to shed light on infamous prison
Venezuela torture victim uses VR to shed light on infamous prison
by  AFP

Cries of pain ring out from the dark hallways and cramped cells, punctuated by the sound of electric shocks. And not everything is virtual: the cries of pain, in between the electric shocks, are real, recorded by a prisoner who secretly had a cellphone.

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