Yahoo! News All atoms of an element have the same atomic number, or number of protons in their nuclei, but the number of neutrons in the nuclei can vary, leading some isotopes to be lighter or heavier. Carbon-12, for example, the most abundant carbon isotope, has ...
The Guardian Pure protactinium is a lustrous, pale silver-coloured metal that is quite dense. This element is intensely radioactive, decaying by emission of an alpha particle (He2+). It is one of the rarest of all elements on Earth, occurring naturally in uranium ...
DigitalJournal.com (press release) HALIFAX, NOVA SCOTIA--(Marketwired - June 13, 2013) - Ucore Rare Metals Inc. (TSX VENTURE:UCU) ("Ucore" or the "Company") is pleased to comment on a legislative proposal before the Armed Services Committee of the U.S. House of Representatives. and more »
Science World Report A meteorite from Mars may hold one of the building blocks of life. Researchers have examined a piece of space rock that they recovered from Antarctica and discovered that it holds high concentrations of boron , an element that when present in its ...
Monthly Review ... moral compass. As the Wisconsin labor federation messaged to a rally in front of PMA headquarters in San Francisco: "Whether it's racist apartheid in South Africa, imperialist war in Iraq, or fascist plutocracy in Wisconsin, Local 10, over and over ...
Sacramento Bee WASHINGTON, June 13, 2013 -- /PRNewswire-USNewswire/ -- Boron Specialties President and Society of Chemical Manufacturers and Affiliates (SOCMA) member Beth D. Bosley today testified before Congress that any changes to the nation's chemical control law ... and more »
Santa Rosa Press Democrat He traveled the world, paid for by various interests, and made a practice of taking honorariums, payments made for giving speeches, no matter how brief, or showing up at prearranged meals, comped, of course. He took in $50,000 in honorariums in 1986 ... and more »
Daily Fusion While silicone could be much more efficient choice, most silicon-based designs have a major flaw—structures tend to crack or break easily when they are used repeatedly. Scientists at the Technical University Munich have now developed a material made ...
Azomining BACANORA MINERALS LTD. ("Bacanora" or the "Company") is pleased to announce that construction of its pilot plant in Hermosillo, Mexico is complete and it is entering the commissioning phase. Commissioning is expected to take approximately two weeks. and more »
CBS News "In early life RNA is thought to have been the informational precursor to DNA," study researcher James Stephenson, an evolutionary biologist, said in a statem...