科学研究   常速英语

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In the early 1930s there was a territorial dispute between Denmark and Norway over who should have the right to East Greenland. Both Denmark and Norway, they made a lot of aerial mapping. They t...

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As represented by this huge stack of paper, the human genome contains more than 3 billion nucleotides or DNA letters. The first stage of the public human genome project focused on ident...

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What is the true nature of the universe? To answer this question, humans come up with stories to describe the world. We test our stories and learn what to keep and what to throw away. But the more...

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Just as explorers have always sought to map new worlds, neuroscientists have sought to map the brain, trying to chronicle its connections and deduce how it works. But making a brain map is easier...

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In this animation, we'll see the remarkable way our DNA is tightly packed up to fit into the nucleus of every cell. The process starts with assembly of a nucleosome, which is formed wh...

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This 9-millimetre-wide fragment of tiny molar was the first evidence of an ancient, equally tiny, human. It was found in a recent archaeological dig on an island in Indonesia, and sheds new light ...

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The world we live in feels normal, ordinary. It feels like this is just how humans exist and always existed. But, it's not. Never before have we humans lived in a world as sophisticated and enginee...

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[NARRATOR:] The DNA double helix contains two sequences of nucleotide code letters that run along the molecule. Untwist the spiral, and DNA can be seen as two parallel strands. That'...