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The buoys also contain weather-sensing devices that test for surface temperatures, subsurface temperatures, wind speed, and other indications of changing weather.
CNN: La Nina spawns extreme weather
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The severity of the laboratory test was equivalent to an oblique collision with the rocky surface of the Earth - a comet coming in at an angle of less than 25 degrees from the horizon, rather than head on (perpendicular to the Earth's surface).
BBC: Comets could have seeded life on Earth
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Since Russia and the U.S. signed a partial test-ban treaty in 1963, their blasts have been deep below the earth's surface.
CNN: ASIANOW - Asiaweek
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The test can be configured to a unique signature of a disease or virus - such as a protein found on the surface of HIV.
BBC: Cheap colour test picks up HIV