1.   Another researcher has suggested a similar explanation based on natural causes.

2.   Many researchers are suggesting that the real power of artificial intelligence lies in the blending of expert systems with neural networks.

3.   Israeli researchers suggest that there is a similarity between tarot readings and the plots of popular folk tales.

4.   Some researchers have suggested that the metamorphism preceded thrusting and in fact actually promoted it by locally weakening the crust.

5.   All this convective cycling, the researchers suggest, results in dynamic pressure on the earth that keeps it humming along.

6.   American researchers also suggested that the bullion may have included gold stolen from individual Jews, including dental fillings and personal jewelry taken from concentration camp victims.

7.   Although the Tucson researchers suggested a number of possible explanations, no one yet knows the real reason.

8.   Although the study showed that even highly addicted youngsters were sometimes able to quit, the researchers suggested that success in quitting may be enhanced by nicotine replacement therapy.

9.   And, the researchers suggested, it could be the content of the conversations, rather than simply being on the phone, that accounts for the increased risk.