Drops of the liquid solution are applied to a human tooth. Photo: Zhejiang University

Chinese scientists ‘make first perfect replica’ of tooth enamel

  • New material is almost identical in structure to human enamel, which does not regenerate itself
  • Crystal-like mineral can grow on teeth and last permanently, researchers say
Topic |   China science

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Drops of the liquid solution are applied to a human tooth. Photo: Zhejiang University
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The 10-metre prototype line, combining high-voltage electricity and liquefied natural gas. Photo: Chinese Academy of Sciences

China develops superconducting hybrid power line that could span the country

  • Prototype tested last month transports high-voltage power and liquefied natural gas side by side
  • It could cut the high cost and waste involved in sending energy from the far west to the east coast
Topic |   China science

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The 10-metre prototype line, combining high-voltage electricity and liquefied natural gas. Photo: Chinese Academy of Sciences
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