51.   Better scientific evidence.

52.   Both the government and the American Medical Association say that there is no scientific evidence that marijuana is useful.

53.   -- Confront an important case about how much leeway federal judges have to ban expert testimony that might be based on questionable scientific evidence.

54.   A court-appointed panel of experts has concluded that existing scientific evidence does not show a link between silicone breast implants and systemic disease.

55.   A new study, being published in the New England Journal of Medicine, provides important scientific evidence for a link that scientists have long suspected.

56.   A Kelly-Frye hearing is held to determine if scientific evidence should be presented to a jury.

57.   A number of the justices seemed resistant to suggestions that Rhode Island had to provide valid scientific evidence.

58.   A panel of international arms experts on Monday adopted American scientific evidence indicating that Iraq had loaded some its missiles with a deadly nerve gas known as VX.

59.   A judge ruled that no scientific evidence proved her claim.

60.   A growing body of scientific evidence supports the idea that emissions of heat-trapping gases are disrupting normal weather patterns.