81.   At the same time, these researchers say women mature at a faster pace than young men.

82.   At this stage in life, researchers says, more important lessons might be learned by reading or taking part in school activities.

83.   At the same time, researchers say that both the great spotted cuckoo and the cowbird are extending their ranges, moving into new territory and encountering new birds.

84.   Babies who learn two languages simultaneously, and apparently effortlessly, have a single brain region for generating complex speech, researchers say.

85.   Bacterial reduction, the researchers say, could reduce the environmental problem.

86.   Because of increasing concerns about genetically engineered plants and their pollen, which contains foreign genes, researchers say the new studies are particularly interesting.

87.   Because of these assumptions, the researchers say, the estimate of odds is only just that, an estimate.

88.   Based on its skeletal features, hadrocodium is the closest relative of the time to modern mammals, the researchers said.

89.   Before such displays can be widely used, researchers say they must solve some problems.

90.   Because a FAQ is not personal contact, researchers say.