Some animals can sleep with just half their brain at a time. Understanding this phenomenon can help us learn more about human ...

Birds exhibit unihemispheric sleep, a fascinating compromise between rest and survival. One half of their brain remains alert ...

Even though he’ll be 6 years old forever, Sesame Street’s favorite yellow bird is technically turning 55 on March 20. Big Bird, an 8-foot, 2-inch, flightless-bird that may or may not be a canary, made ...

Even though he’ll be 6 forever, Sesame Street’s favorite yellow bird is technically turning 55 on March 20. Big Bird, an 8-foot, 2-inch, flightless-bird that may or may not be a canary, made his way ...