For centuries China was the leading light in science. Scholars led the way in fields as diverse as engineering and astronomy. But this long period of enlightenment and discovery came to an abrupt end under communism.

But now the situation is rapidly changing.

In the first part of a four part series of Discovery Geoff Watts travels to China to find out how the country is once again establishing itself as a dominant force in the world of science.

Listen here
	Discovery