91.   Some scientists think ketone bodies may change the lipid membrane of brain cells to produce a lower firing rate.

92.   Some scientists think massive ocean currents may push warm water around in a way that causes a ponderous, ocean-wide slosh of some kind.

93.   Some scientists think so.

94.   Some scientists think that regular bleeding reduces the risk of uterine cancer because potentially cancerous cells are shed along with the uterine lining.

95.   Some scientists think they can be used to create healthy tissue in diseased people.

96.   So now scientists think that while genes may play some role, they might not be the sole controlling factor in tongue-rolling.

97.   Some scientists had thought the halo gases were much cooler.

98.   Some scientists have long thought that our ancestors left that region in a single exodus, fanning out around the globe and evolving separately in different regions.

99.   Some scientists think that much more of the money should be spent on reducing the hazards, Heaton said.

100.   Some scientists think they could use stem cells to create healthy tissue to replace diseased tissue.