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How Mesoamericans put the Bounce into Rubber Balls first
Ancient Mesoamericans and their sacred ball games played with bouncing rubber balls
How people of ancient Central American 鈥� Mesoamerica 鈥� discovered how to put the bounce into rubber in a process like modern vulcanisation. Gemini North is one of two new Earth-based telescopes that are expected to produce images clearer than the Hubble space telescope. Brain structures are not fixed and changing levels of testosterone causes changes in adult human brains. Japanese scientists discover how to use trees to measure air pollution.
成人快手 World Service Archive
This programme was restored as part of the World Service archive project
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Science In Action
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