Unlike other elements reportedly gathered by Lidden, the plutonium sparked a major hazmat alert, requiring a response from ...

Such questions exercised physicists greatly in the decades after Dmitri Mendeleev introduced his periodic table of the chemical elements in 1869. They received new impetus around the turn of the ...

The latest experiment with berkelium offered something entirely new to him as he watched the solution turn a dark violet — a chemist’s version ... position in the periodic table,” Arnold ...

for the discussion of the wide generalisations that have been made with regard to the position of the radio-elements in the periodic table, consequent on the recent experimental work of A.

A section of iron's atomic spectrum. Each element on the periodic table gives off a unique set of spectral lines that are ...

One halcyon spring day in 1903, the 69-year-old anatomist and naturalist Dr. James Bell Pettigrew sat at the top of a sloping street on the outskirts of ...

Big East hoops in March. What a beautiful sentence. We've officially entered conference tournament season, and the Big East will, like always, be one of the more fun conference tournaments of the ...

We tested ereaders from Kobo, Amazon, Boox and more to see which one is the best overall, along with a budget pick and the ...

Whatever the reason, this year’s version of Shelton’s Friends & Heroes ... to Post Malone-style pan-genre featurelessness. So the periodic arrival of his support acts, each one taking the ...

Speculative assets have been sliding not because investors have determined the true cost of tariffs, but instead because the marketplace has suffered one of its periodic bouts of risk on, risk off.

Studying materials that are both radioactive and rare presents significant challenges. The elements that follow plutonium on the periodic table, known as the transplutonium elements, are both highly ...