National Periodic Table Day, observed annually on February 7, honors one of the most significant achievements in scientific ...

February 7 is National Periodic Table Day, when we celebrate the efforts of scientists over the centuries to figure out how different elements ...

A new method pioneered to optimally cook both the yolk and white (or albumen) of a boiled chicken egg has been published in ...

The modern periodic table, arranged in rows and columns, was first introduced by Dmitri Mendeleev in 1869. At the time, it included the known elements and their properties, but Mendeleev predicted ...

Rubies and emeralds have the colors they do because, like many substances, they absorb some colors of light. Most visible light, like sunlight, is composed of all the colors of the rainbow: red, ...

Understanding where Earth's essential elements came from—and why some are missing—has long puzzled scientists. Now, a new ...

China’s export ban has created a perfect storm. With soaring demand and vanishing supply, antimony is now a critical ...

We present a general method for solving the modified Helmholtz equation without shape approximation for an arbitrary periodic charge distribution, whose solution is known as the Yukawa potential or ...

Joel Achenbach writes about science and politics for The Washington Post's National desk. He has been a staff writer for The Post since 1990. He started the newsroom’s first online column, Rough ...

Kingsmen Resources Ltd. (TSXV: KNG) (OTCQB: KNGRF) ("Kingsmen" or the "Company") is pleased to report results from on its ...

Premier, Inc. (NASDAQ: PINC), a leading technology-driven healthcare improvement company, today reported financial results for the fiscal-year 2025 second quarter ...