Since then, Lev has gone on to achieve a perfect score in the fifth grade math assessment exam, and he has passed the high ...

Newsom says he was blocked from entering the U.S. pavilion at Davos. Trump confuses Greenland and Iceland. Trump calls out Mark Carney’s Davos speech in a rebuke to Canada. Here’s a Look at Everything ...

THIS tract is an authoritative exposition of problems of radiative equilibrium by one of the original workers in the subject. An initial chapter gives a summary of the general theory and main problem ...

Editor’s Note: Published in 1959, this article comes from Martin Gardner’s legendary Scientific American column Mathematical Games. Read more classic Mathematical Games articles in our 2024 special ...