Frank Morgan of Williams College in Williamstown, Mass., recently illustrated such difficulties when he invited an audience of mathematicians, students, and others to vote on which one of a given pair ...

Kinsey Morey, 7, had just finished making a huge bubble Wednesday by using two straws threaded with string to make a little frame. She and classmate Elizabeth Hammack, 9, scrambled underneath the ...

For Karen Uhlenbeck, winner of the Abel Prize for math, a whimsical phenomenon offers a window onto higher dimensions. Credit...Kym Cox/Science Source Supported by By Siobhan Roberts PRINCETON, N.J. — ...