4 of 4 results for "tears"
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.
Video
The Science Behind Emotional Tears

In The Science Behind Emotional Tears, 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.

Video
The Cherokee and the Trail of Tears

In The Cherokee and the Trail of Tears, learn how the Cherokee Nation, originally from the southeastern U.S., was forced to give up most of its land to the U.S. government in the 1800s. Despite adopting Western ways, they were relocated after President Andrew Jackson signed the Indian Removal Act in 1830. This led to the tragic Trail of Tears, where thousands of Cherokees died during the journey. However, the Cherokee rebuilt their nation in Oklahoma, with Tahlequah becoming their capital.

Printable
Aaaaand, Why Should I Care? Make Your Own Unicorse With Bluey

Create a brand-new toy for Unicorse to marry. He may be a grub, but he just wants to find luuurve! Here's how:
1. Choose a unicorn horn and hairdo. Snip or tear them out.
2. Cut out the strips to add some hair  — maybe some crazy curls!
3. Paste all the bits around the face to create your newnicorse!