A mother and daughter's realization of the different reflection produced by a mirror, despite a visible item not being in front of the mirror, has left the internet confused. In a viral video, the ...

Our dogs can do the most adorable things. They don't view life as humans do and sometimes have a hard time figuring out normal everyday occurences that we take for granted. Something as simple as ...

In the new experiment, roosters made fewer alarm calls, meant to warn peers of predators, when placed in front a mirror versus when standing near another rooster. Stefano Spaziani / picture alliance ...