This year is the International Year of the Periodic Table of Chemical Elements—and today (March 6), the modern version celebrates its 150 th birthday. To find out more about the table and how new ...
“Happy Birthday” may be the Hill sisters' main claim to fame, but Patty (left) and Mildred's (right) impact on American history extends far beyond the beloved song. Illustration by Meilan Solly / ...
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