Earth's core contains nine to 45 times more hydrogen than the planet's oceans do, according to a new study that could settle a debate about when and how hydrogen was delivered to Earth.

University labs have partnered with a new startup focused on retrieving rare earth minerals from waste sources.  SUPRA ...

Sabrina Karl has over two decades of experience writing about savings, CDs, and other banking topics. She is currently a full-time staff writer at Investopedia and one of the country's top experts on ...

What if you took your school assignment to the next level and decided to collect physical samples of as many elements as possible?

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The covalent radius (a measure of how large individual atoms are) shows different trends if you are moving across a period or down a group. A comparison of the relative covalent radii of atoms is ...

On 17 February 1869, Russian chemist Dmitri Mendeleev jotted down the symbols for the chemical elements, putting them in order according to their atomic weights and inventing the periodic table. He ...

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For any parent, the joy of a new arrival can be suddenly eclipsed by the news that their baby has a heart defect. When a specialist mentions the word "surgery," the world seems to stop. It is a moment ...

As governments scramble to secure supplies of rare earth elements, a new engineering study from Malaysia has cast fresh light ...