The original version of this story appeared in Quanta Magazine. In 1939, upon arriving late to his statistics course at UC Berkeley, George Dantzig—a first-year graduate student—copied two problems ...

Andrew Bloomenthal has 20+ years of editorial experience as a financial journalist and as a financial services marketing writer. Khadija Khartit is a strategy, investment, and funding expert, and an ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

When you are doing division, it's helpful to use a written method. This can be especially useful if the numbers get too big to calculate in your head. If the number you are dividing by (this is called ...

Terms apply to American Express benefits and offers. Visit americanexpress.com to learn more. Any time you tap, swipe or dip a credit or debit card at checkout or enter your card number online, you ...

“This is a convenient method for patients to use pills they already have,” she says. Both doses of pills should be taken as soon as possible, ideally within 72 hours (three days) of unprotected sex, ...

Brandi Jones has over two decades of experience as a nurse in an acute care setting. Her clinical background includes pediatrics, medical-surgical, and women's health. She also specializes in ...

Complex digital representations of organs were reconstructed by computationally generating virtual slices from sparsely sampled planar spatial transcriptomic data, exemplified by a 38-million-cell ...

Couples therapy is a type of therapy that aims to help romantic partners address relationship conflicts, improve communication, and increase affection and empathy for one another. Couples therapists ...