Ted Talks - Why Do We Cry ? A Scientific Explanation

Did you know that we have three different types of tears ? Tears can be more complex than you ever imagined !

• 2016-06-08T17:00:04+00:00
• Duración: 03:52

• Ted Talks
• Tears
• why
• scientific
• educational
• Cry

Share

Keywords

why do we cry,