Heavy actinides—elements at the bottom of the periodic table, after plutonium ... compound-at-a-time or extrapolated from less toxic and non-radioactive surrogates, like lanthanides, that ...

Author Dava Sobel discusses how she discovered the many forgotten female scientists who were mentored by Marie Curie in early 20th-century Paris ...

I had just come back from a demonstration against a uranium mine near the rim of the Grand Canyon and talking to Native ...

The term 'rare earth' dates to an 18th‑century Swedish mine and survives mainly out of habit. In truth, these 17 metals are ...

Those are the natural metals - 17 elements on the periodic table to be precise - that go ... and one ton of radioactive residue". For many years, it made sense for the US, Europe and others ...

While he claimed to have stopped, prosecutors say he launched an online business called “Collect the Periodic Table” in 2017 that sold radioactive ... acids and toxic elements such as arsenic ...

Rhenium is the 77th least abundant element in the periodic table, nowhere mined for itself ... Rhenium is considered non-toxic overall, with most tests done revealing very low toxicity levels and most ...

A new version of the periodic table of elements has predicted hundreds of highly charged ions that could be used to create the next generation of optical atomic clocks. The periodic table ...