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Plutonium-242 (242 Pu or Pu-242) is the second longest-lived isotope of plutonium, with a half-life of 375,000 years. The half-life of 242 Pu is about 15 times that of 239 Pu; so it is one-fifteenth as radioactive, and not one of the larger contributors to nuclear waste radioactivity.
Surface exposure dating is a collection of geochronological techniques for estimating the length of time that a rock has been exposed at or near Earth's surface. Surface exposure dating is used to date glacial advances and retreats, erosion history, lava flows, meteorite impacts, rock slides, fault scarps, cave development, and other geological events.
PCB warning label on a power transformer known to contain PCBs. Polychlorinated biphenyls (PCBs) are organochlorine compounds with the formula C 12 H 10−x Cl x; they were once widely used in the manufacture of carbonless copy paper, as heat transfer fluids, and as dielectric and coolant fluids for electrical equipment. [2]
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Gisele Pelicot, whose husband Dominique Pelicot and 50 other men are on trial for raping her, gave her final courtroom statement in the shocking case.
98.6 °F (37.0 °C) is not the normal or average temperature of the human body. That figure comes from an 1860 study, [294] but modern research shows that the average internal temperature is 36.4 °C (97.5 °F), with small fluctuations. [295] [296] [297] The cells in the human body are not outnumbered 10 to 1 by microorganisms. The 10 to 1 ...
Just before another federal trial was scheduled to start in September, Hunter Biden pleaded guilty to three felonies and six misdemeanors that alleged he failed to pay $1.4 million in taxes ...
A Canadian woman allegedly attempted to smuggle 22 pounds of methamphetamine wrapped as Christmas presents through a New Zealand airport on Sunday, Dec. 8. According to a news release from the New ...