Monday, March 18, 2013
Putting the clock in 'cock-a-doodle-doo'
Putting the clock in 'cock-a-doodle-doo': Of course, roosters crow with the dawn. But are they simply reacting to the environment, or do they really know what time of day it is? Researchers have evidence that puts the clock in "cock-a-doodle-doo.
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment