You don’t always want people to know your phone number. It’s become a private piece of information we don’t usually share with everyone. Many of us keep another number to give to those we ...

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A new proof has brought mathematicians one step closer to understanding the hidden order of those “atoms of arithmetic,” the prime numbers. The primes—numbers that are only divisible by ...

One of my favorite anecdotes about prime numbers concerns Alexander Grothendieck, who was among the most brilliant mathematicians of the 20th century. According to one account, he was once asked ...

Commissions do not affect our editors' opinions or evaluations. A business phone number helps you establish a more professional image when communicating with customers. It also helps you separate ...

State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China CAS Key Laboratory of Science and Technology on Applied Catalysis, Dalian ...

In this video we will be making butyric acid by oxidizing 1-butanol (n-butanol) using KMno4. Chemicals: -6.2mL 1-butanol -14g ...