Eusociality is a key concept in sociobiology, which is the study of the genetic and evolutionary bases of social behavior. Coined in 1966, the term "eusocial" describes an animal society—like that of bees, ants, shrimp, sponges, or others—largely made up of sterile individuals that work on behalf of the few reproductive members of the group, or in some cases the only reproductive member, and cooperatively care for the young. What are the only truly eusocial mammals?
Lucy Maud Montgomery
Back in the day
After starting out as The High Numbers, British rock band The Who gained international fame in the 1960s and 70s with songs like "My Generation," "Pinball Wizard," and "Won't Get Fooled Again." The band's incredibly loud concerts and penchant for destroying their instruments onstage boosted their appeal to rock fans, but offstage destruction overshadowed the music on December 3, 1979, when a stampede prior to The Who's show at the Riverfront Coliseum in Cincinnati, Ohio, killed how many fans?
Born on a day like today
A Vassar graduate and the first woman admitted to the Massachusetts Institute of Technology—"it being understood that her admission did not establish a precedent for the general admission of females"—chemist Ellen Richards was one of the US's foremost female chemists of her time and the founder of the country's home economics movement. Yet, perhaps her greatest contributions were the advances she made in opening up science education and professions to women. What were some of her notable firsts?