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German town prints its own cash to cut CO2 emissions
It started as a school project to promote local businesses in a remote Bavarian region. Now, the "Chiemgauer" currency helps to cut emissions.
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New study shows beluga whales display fascinating behaviour in front of mirror
New research suggests beluga whales may recognize themselves in mirrors, joining a small group of animals believed to exhibit self-awareness.
New study shows beluga whales display fascinating behaviour in front of mirror
New research suggests beluga whales may recognize themselves in mirrors, joining a small group of animals believed to exhibit self-awareness.
