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Наистина ли са необходими опити с животни? Този въпрос е оправдан. Той може да бъде зададен и по друг начин: например така, както е формулиран в подписката на близо 1, 2 млн. души, поставили под съмнение легитимността на тези опити: имаме ли в нашето просветено и силно облагодателствано общество, което…
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Are you real? What about me? These used to be questions that only philosophers worried about. Scientists just got on with figuring out how the world is, and why. But some of the current best guesses about how the world is seem to leave the question hanging over science too.
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Science calls it "Pangaea Proxima". You might prefer to call it the Next Big Thing. A supercontinent is on its way that incorporates all of Earth's major landmasses, meaning you could walk from Australia to Alaska, or Patagonia to Scandinavia. But it will be about 250 million years in the…
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"Let us go rambling about the Universe." This is the invitation that American astronomer Harlow Shapley gave to an audience in Washington DC in 1920. He was taking part in the so-called Great Debate with fellow scientist Heber Curtis on the scale of the Universe.
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It was September 2011 and physicist Antonio Ereditato had just shocked the world. The announcement he had made promised to overturn our understanding of the Universe. If the data gathered by 160 scientists working on the OPERA project were correct, the unthinkable had been observed.
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The Moon is Earth's only permanent natural satellite, as well as the only celestial body besides Earth to have been visited by humans. It is the fifth largest natural satellite in the Solar System, and the largest among planetary satellites relative to the size of the planet that it orbits…
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Using a new high-speed camera, lightning researcher Ningyu Liu of the Florida Institute of Technology managed to film a lightning storm in slow motion. The footage, captured on 20 May, was recorded at 7,000 frames per second. For the video, Liu plays it back at 700 frames per second so…
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The famous White Sands National Monument is made of gypsum, a mineral that normally dissolves in water. But here the climate is so dry that the grains have been preserved
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Is our Universe one of many? The idea of parallel universes, once consigned to science fiction, is now becoming respectable among scientists – at least, among physicists, who have a tendency to push ideas to the limits of what is conceivable.
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The recent film The Theory of Everything tells the story of Stephen Hawking, who managed to become a world-famous physicist despite being confined to a wheelchair by a degenerative disease. It's mostly about his relationship with his ex-wife Jane, but it does find a bit of time to explain what…