Signed in 1979, a landmark scientific cooperation treaty between the US and China has endured the ups and downs of the bilateral relationship for 45 years - until now. Can both sides rebalance the equation and find a way forward? SINGAPORE: A scientific slowdown - not just between the United States and China, but the wider world - is on the cards, warn analysts, as the two superpowers let a landmark science and technology treaty slip away without renewal for the first time in 45 years. Climate