The original version of this story appeared in Quanta Magazine. All of modern mathematics is built on the foundation of set theory, the study of how to organize abstract collections of objects. But in ...

Elie Hassenfeld, the chief executive of the nonprofit GiveWell, makes the case for a more rigorous, transparent and accountable approach to charitable giving. This is an edited transcript of an ...

The original version of this story appeared in Quanta Magazine. The best perk of Alberto Maspero’s job, he says, is the view from his window. Situated on a hill above the ancient port city of Trieste, ...

In the third century BCE, Apollonius of Perga asked how many circles one could draw that would touch three given circles at exactly one point each. It would take 1,800 years to prove the answer: eight ...

One thing that puzzled me for many years was how my students would sometimes arrive at a solution to a math problem that just couldn’t possibly make sense in ...

Apple issues major security warning to iPhone users after 'attacks' ‘We choose Denmark’: Greenland pushes back against Trump’s takeover threats Clintons to face contempt proceedings after refusing ...

In 2019, mathematicians finally solved one of the hardest math problems—one that had stumped them for decades. It’s called a Diophantine Equation, and it’s sometimes known as the “summing of three ...

Most famous equation: Einstein's E = mc2, which means energy is equal to mass times the speed of light squared. Known digits of pi: More than 105 trillion digits Digits of pi NASA uses for equations: ...

Department of Chemical and Biological Engineering, University of Ottawa, 161 Louis Pasteur, Ottawa, OntarioK1N 6N5, Canada ...