51.   A voracious Asian eel found near Everglades National Park could become a biological nightmare if it slithers or swims into the park, federal scientists said.

52.   Borax is especially attractive because it has a long history of safe human use, the scientists said.

53.   But what appears to be rolling hills covered with vegetation are most likely sand dunes topped with melting frost, scientists said Tuesday.

54.   Cloning dairy herds to reproduce only top milk producers and maximize farm earnings could begin on a commercial basis within a year, agricultural scientists said Friday.

55.   Earlier last month, Myriad Genetic scientists said they identified promising new targets to fight cancer and AIDS.

56.   Exercise adds a boost of vitality, say the scientists, whose recommendation to be more active reverses the traditional medical advice that women who suffer fatigue should rest.

57.   Governments worldwide must improve crop production or face food shortages due to population growth, dwindling water supplies and shrinking amounts of cultivable land, scientists said Thursday.

58.   If this is what can be seen during the quiet period, imagine what will be learned when the sun gets active again, the scientists said.

59.   It said scientists found differences in gravity, temperature and radiation were favorable for developing high-quality seeds of rice, green peppers and other crops.

60.   It would take the entire DNA to make an animal, said the scientist.