Zermelo-Fraenkel set theory is so widely accepted that modern mathematicians hardly think about it. But believing in its core principles didn’t come easily. How do mathematicians decide that something ...

As Homer tells us, Odysseus made an epic journey, against the odds, from Troy to his home in Ithaca. He visited many lands, but mostly dwelt with the nymph Calypso on her island. We can imagine that ...

This article originally appeared on PolitiFact. President Donald Trump has regularly said that drug-price discounts on his watch are greater than 100%, which isn't mathematically possible. Now his ...

U.S. Health and Human Services Secretary Robert F. Kennedy Jr. said, "If you have a $600 drug and reduce it to $10, that's a 600% reduction." Kennedy told Sen. Elizabeth Warren, D-Mass., that U.S.

There is only one way to calculate a percentage decrease. For anything higher than a 100% decrease in price, the seller would be paying the customer to take the product. In Robert F. Kennedy Jr.’s ...

Ultrafinitism, a philosophy that rejects the infinite, has long been dismissed as mathematical heresy. But it is also producing new insights in math and beyond. His two theorems destroyed the search ...

Economic issues continue to dominate Americans’ ranking of the country’s top problems. Meanwhile, the share who say illegal immigration is a very big problem has dropped since the start of Trump’s ...

CNN's Daniel Dale fact-checked Donald Trump's false claims about Ukraine as the president headed to Alaska for a high-stakes summit with Russian President Vladimir Putin. Trump has claimed the U.S.

Rick Jackson was largely unknown to voters just a few months ago. Heading into Tuesday’s Republican primary, he’s keeping some of the state’s best-known politicians on their toes. By Rick Rojas, Katie ...

Tristan Yates is executive director of Yates Management, a consultancy serving U.S. financial institutions and mortgage-backed security providers. Quantitative analysts, or quants, use complex math ...