2 of 2 results for "tears"
Video
The Science Behind Emotional Tears: Why We Cry

In The Science Behind Emotional Tears: Why We Cry, host Harith Iskander explains the different types of tears: basal tears that keep the eyes moist, reflex tears that occur when you cut onions or get something in your eye, and emotional tears triggered by strong feelings. This video is excerpted from BBC’s Got Science?, a science magazine series that explores and explains science in everyday life.

Student Article
Birds and Reptiles Cry Tears Like Humans
The article "Birds and Reptiles Cry Tears Like Humans" from Science Focus explains how the tears of birds and reptiles contain similar chemical compositions to human tears. Scientists hope this research will lead to improved treatments for eye conditions and offer new insights into evolutionary biology.