101.   Some scientists thought that the overturning of ocean layers could explain the puzzling data.

102.   Some small dinosaurs also seem to have been covered from head to tail in feathers, which scientists think is proof of a dinosaur-bird ancestral link.

103.   Ten years ago, scientists thought diesel exhaust and other pollutants might be causing the asthma epidemic.

104.   That idea seems quaint, but now some scientists think the Greeks may have been right to fear flying too close to the sun.

105.   The birds and fish are thriving, and water is being flushed out by the open ocean more efficiently than scientists once thought.

106.   The curing process is designed to quickly eliminate the moisture scientists think helps spread cancerous toxins through the burley leaf.

107.   The Dana-Farber researchers in Boston based their conclusion on a reanalysis of earlier randomized clinical trials that scientists had thought argued against lung cancer screening.

108.   The imposing columns, scientists think, are a recent and passing spectacle.

109.   The Martian south pole is composed of carbon dioxide ice, but scientists think the carbon dioxide is covering a vast amount of water ice.

110.   The main treatment now is the combination of alpha interferon and ribavirin, which some scientists think works by stimulating the immune system to attack the virus.