Of Seventy-Four ElementsThis article was originally published with the title “A Table of Atomic Weights” in SA Supplements Vol. 49 No. 1275supp (June 1900), p. 20436 doi:10.1038 ...

Gregory Paul Baxter, John Hunt Wilson, A Revision of the Atomic Weight of Lead. Preliminary Paper. The Analysis of Lead Chloride, Proceedings of the American Academy of Arts and Sciences, Vol. 43, No.

FILE: The flag of the International Atomic Energy Agency (IAEA) waves near a mural in Vienna, 23 June 2025 ...

Boots pounded against the polished floors of Japan's Imperial Palace as the rebels forced their way inside. They tore through ...

ICSE Class 9th Chemistry Syllabus 2025-26: Get here detailed ICSE Board Class 9 Chemistry Syllabus chapter-wise, marking scheme, weightage, paper pattern and Download PDF.

There’s two types of rare earths, categorized by their atomic weights: heavy and light. Heavy rare earths are more scarce, and the United States doesn’t have the capabilities for the tough ...

President Trump warned Tehran against retaliation against the U.S., saying Iran can choose between “peace or tragedy.” ...

Yet greater awareness of sleep deprivation’s consequences hasn’t translated into a better-rested populace. Data from the CDC show that the proportion of Americans reporting insufficient sleep held ...

US Army Enlistment Weight Requirements Staff Sgt. Anthony Vasquez completes a stroke toward 500 meters on a rowing machine during a Cross Fit competition on Camp Buehring, Kuwait, Nov. 29, 2013.

The world is watching to see whether Tehran responds to the U.S. military strikes as leaders urge Iran to negotiate.

New evidence suggests the universe might not behave as expected, raising questions about the costs of being wrong.