The College Of William And Mary anthropology professor Barbara J. King presents her "last" lecture, on emotions in the animal world, as she prepares to retire from academic life. Courtesy of Skip Rowland hide caption

toggle caption Courtesy of Skip Rowland

Kendrick Lamar visits Brian Mooney's English classes at High Tech High School in North Bergen, N.J., on Monday. Adam Wolffbrandt/NPR hide caption

toggle caption Adam Wolffbrandt/NPR
A Visit From Kendrick Lamar — Best Day Of School Ever?
  • Download
  • <iframe src="https://www.npr.org/player/embed/413966099/414149753" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript
iStockphoto
'Building A Better Teacher': Dissecting America's Education Culture
  • Download
  • <iframe src="https://www.npr.org/player/embed/338831269/339173673" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

Mountains in the area where Marcelo first explored the wonders of the natural world. Leonardo Pallotta/Flickr hide caption

toggle caption Leonardo Pallotta/Flickr