A dolphin's sense of echolocation allows it to coordinate efforts to hunt prey, see "through" other creatures and form three-dimensional shapes using sound.
Raymond Roig/AFP via Getty Images
Fourth-grader Lucy Kramer (foreground) does schoolwork at her home, as her mother, Daisley, helps her younger sister, Meg, who is in kindergarten, in 2020 in San Anselmo, Calif.
Ezra Shaw/Getty Images
Attempts to ban books in school districts around the country have increased in recent years. Now, some states are working on enacting laws to give politicians more power over public libraries.
Julie Andrews sang "The hills are alive" in the film version of The Sound of Music, but Hammerstein's letters reveal that a much bigger Hollywood star had lobbied hard to play Maria.
Alamy Stock Photo
J. Kenji López-Alt's new cookbook The Wok features more than 200 recipes highlighting the versatility of the wok. Along the way, he shares the science behind that versatility and how to master cooking basics.
J. Kenji LÃ³pez-Alt