61.   Over time, scientists can develop a clear picture of the movements of predators and prey.

62.   Scientists are developing genetically modified grapevines resistant to diseases and genetically engineered yeast to improve wine fermentation.

63.   Scientists are developing the use of biological cells for computer memory functions.

64.   Scientists have developed preservatives that are toxic to the fungi.

65.   Scientists are developing two strategies for making antihydrogen.

66.   Scientists have developed a new technique to analyze the chemical composition of ancient rocks for hints about what the air was like billions of years ago.

67.   Scientists have developed a radically different treatment for children with severe language and reading difficulties, one that may have applications for millions of children with dyslexia.

68.   Scientists have since developed more potent drugs that can be taken orally.

69.   Scientists are developing an array of new therapies for patients who fail frontline prostate cancer treatments such as surgery, radiation, hormonal blockade and chemotherapy.

70.   Scientists have developed a contraceptive for men as effective in preventing pregnancy as the female pill, the World Health Organization said.