91.   But researchers are finding that the males generally return to their breeding grounds several weeks sooner than the females they mated with the spring before.

92.   But the greater attention paid by East Asians to context and relationship was more than just superficial, the researchers found.

93.   But the researchers also found that almost half the preschoolers in the study suffered from diabetes, asthma or other major chronic illnesses in addition to the attention disorder.

94.   But the researchers found that if they soaked the vessels first with the potent antioxidant enzyme superoxide dismutase, or SOD, the blood vessels did not constrict.

95.   But the researchers found that when they mixed the bacteria with human blood in test tubes, they led clots to form.

96.   But the researchers found these factors could not explain the differences they found.

97.   But the older drugs were not producing all that many ulcers among patients at low risk for gastric bleeding, the researchers found.

98.   But the Stanford researchers found that many people had torn discs but suffered little or no pain.

99.   But the researchers found no evidence that the depressed patients in the study somehow needed to suffer.

100.   But the researchers found no link between happiness and behaviors that in previous studies had been associated with general well-being.