In the Norwegian valley town of Rjukan, giant mirrors have been erected to reflect the sun into the town's main square, which is normally into darkness in October. The idea was first thought up a century ago.
An 'artificial moon' to illuminate a Chinese city during the night — saving hundreds of millions in electricity. It sounds like the stuff of sci-fi. And China's plan, says physicist Scott Manley, is just that.
Air travel is the fastest-growing source of carbon emissions. But could green tech and optimization mean that one day, we'll be able to hop on a plane with a guilt-free conscience?
Scorpions have a bad reputation. Namibian scorpion researcher Martin Handjaba says it's unjustified. He tells DW about their painful stings, why they glow under UV light and why we shouldn't kill them.
Thanks to the heat wave scorching Europe, German winemakers have started the earliest-ever wine harvest. Wine expert Romana Echensperger tells DW how the German wine industry can adapt and shares global wine trends.
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