The rare radioactive substance made its way from the United States to Russia on a commercial flight in June 2009. Customs officers balked at accepting the package, which was ensconced in lead ...

The periodic table of the elements is to get crowded towards its heaviest members. Evidence for the artificial creation of element 117 has recently been obtained at the GSI Helmholtz Centre for Heavy ...

Initially dedicated at the Lawrence Berkeley National Laboratory in Berkeley, California, on March 11, 2000. Rededicated at Lawrence Hall of Science in Berkeley on August 11, 2019, during the ...

The periodic table of the elements is to get crowded towards its heaviest members. Evidence for the artificial creation of element 117 has recently been obtained at an accelerator laboratory located ...