Heavy actinides—elements at the bottom of the periodic table, after plutonium—are radioactive, rare and chemically complex, making them notoriously difficult to study. Most studies conducted ...

RADIOACTIVE ELEMENTS. The discovery of the radio-active elements has naturally led to the question as to what relationship they bear to the other elements in the Periodic Table. There could be no ...

Scientists have puzzled over the origin of elements heavier than iron since the 1950s. Recently, LSU astrophysicist Eric ...

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 ...

This new paper pushes the boundaries of actinide chemistry even further. The superatom structure is based around a trithorium ...

Three years later, Miller allegedly launched an online business called Collect the Periodic Table and sold radioactive materials ... amount of the chemical element. Between June and October ...

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

While Miller claimed he stopped these activities, he allegedly launched an online business called “Collect the Periodic Table,” where he sold radioactive ... and toxic elements such as arsenic.

Wyoming already produces 20% of the world’s Grade A helium supply from one plant east of Kemmerer. Now it’s about to get ...