Feature author Paul J. Zak, a neuroeconomist at Claremont Graduate University, discusses the role of oxytocin in mammalian social behavior in a 2011 TED Talk.

See University of California, Los Angeles, animal behavior researcher Dan Blumstein explain common characteristics of vocalizations that express fearful emotions.

 Watch entrepreneur Connor Russomanno talk about his work on brain-computer interfaces.

Slow motion sneeze footage reveals the true reach of respiratory droplets ejected from the human body.

Here’s how some researchers and educators are giving prospective students and the public a window into their labs.

Parrots aid each other in getting food from a researcher.

Watch an insect shed its exoskeleton and stretch its new wings.

A single-celled organism has an energy-producing enzyme with unique features.

View the top three winners of this year’s Nikon Small World in Motion Competition.