Last week, we introduced techniques for teaching online chemistry students how to assign oxidation numbers to elements. Once students are comfortable with oxidation numbers, the next step is to teach ...

Have you ever had a moment when you’re walking home from a great night at a party where you met someone you really like. You’re thinking about them and what could come from the spark. In the midst of ...

Iron–sulfur (Fe–S) clusters are evolutionarily conserved cofactors that support an array of DNA replication and repair enzymes. These clusters not only stabilise protein structure but also enable ...

The hydrogen atoms of [4Fe-4S] type ferredoxin, one of the electron carriers, have been visualized and both experiments and calculations have revealed the mechanisms that control the redox potential.

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Prime numbers are only divisible by themselves and one. Robert Brook via Getty Images In the 17th century, French monk and mathematician Marin Mersenne developed a method to find prime numbers: values ...

For the first time in more than 25 years, mathematicians have proven a new way to identify prime numbers, and in doing so developed a toolkit that could allow further advances in number theory. Prime ...

Globally, aquatic ecosystems are one of the largest but most uncertain sources of methane, a potent greenhouse gas. It is unclear how climate change will affect methane emissions, but recent work ...

Life path numbers 'denote specific energies and vibrations inherent in one’s personality,' according to astrologer Lisa Stardust Lisa Stardust is a three-time best-selling author and astrologer who ...

An estimated 2.9 billion records, including names, addresses and Social Security numbers may be affected after National Public Data confirmed it suffered after a massive data breach involving the ...

A new lawsuit is claiming hackers have gained access to the personal information of "billions of individuals," including their Social Security numbers, current and past addresses and the names of ...