71.   A new report deals a further blow to hopes that supplements of beta carotenewould help healthy adults reduce their risk of cancer and heart disease.

72.   A new report describes why starvation diets have such a detrimental effect on the immune system.

73.   A new report from a group of California scientists concludes that global warming will pose grave problems for the state in the coming century.

74.   A new report from Columbia University shows the genes act by turning on an enzyme that mops up free radicals, byproducts of metabolism that can damage the DNA.

75.   A new report has further stoked alarm abroad by documenting an unexpectedly rich history of questionable psychiatric practices aimed at stifling political dissenters.

76.   A new report in Nature magazine shows that this tranquillity is an illusion.

77.   A new report on global warming admonishes California to change the way it manages its reservoirs or face severe water shortages and catastrophic flooding.

78.   A new report on the long debate about whether Jefferson impregnated Hemings contradicts a study last year that suggested he did.

79.   A new report published by the Pew Research Center points to a paradox.

80.   A new report says El Nino may be weakening.