1.   Scientists are divided about which of the great apes evolved first from the Proconsul line.

2.   Other scientists are divided on how serious the damage is.

3.   Scientists are divided on the issue.

4.   Scientists are divided about the degree of protection it will afford.

5.   Scientists are divided about the health impact of the exposures, however.

6.   Scientists are divided on the question of whether exposure to very low levels of nerve gas can lead to chronic health problems.

7.   Scientists are divided on whether these wear-and-tear tissues give out for lack of long telomeres.

8.   Scientists are divided on the question of whether exposure to trace levels of chemical weapons can result in long-term health problems.

9.   Scientists are divided on the question of whether trace levels of nerve gas and other chemical weapons could produce the health problems found among the veterans.

10.   Scientists were deeply divided on the question.