Word: bluish
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Dates: during 1980-1989
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...cylinder containing a capsule of radioactive cesium 137, an isotope used for treating cancer. The canister had been sold to him as scrap from an abandoned local medical clinic. During the next six days, more than 200 townspeople were exposed to and at least one even ate the deadly bluish powder before Brazilian officials could contain the contamination...
Into a vial of bluish gunk...
...trees are the product of a more complex chemical reaction. Bright days and cool evening create the perfect environemnt for the production of anthocyanin, a chemical relative of benzene and phenol. The bleached chlorophyll clears the way for the purple, red, pink and bluish variations of anthocyanin. For example, the Tupelo tree, found all over Martha's Vinyard, turns fire engine red according to Einset...
...demonstrated better too." He found that shallow grooves at the front of the tracks were typical of dinosaurs, not humans, and that the tracks widened at the front more than human prints would. It was not until later, Kuban recalls, that he noticed toeprints, outlined in the same bluish-gray material that helps distinguish the tracks from the tan-ivory surrounding rock. Further study revealed similar tracks, but with distinct toeprints...
...time the comet has moved close to the sun. They now know that the yellowish, often curved tail is composed of dust particles released during sublimation and swept away from the sun by the pressure of solar radiation. Sunlight reflecting off the tail produces the fiery effect. The second, bluish appendage is called the plasma or ion tail. It is formed when gases from the comet's nucleus become charged by solar radiation and then react with the solar wind, which is a constant stream of charged particles that emanate from the sun and carry its magnetic field. While...