Dogs can move their ears. They use ear muscles. This helps them hear sounds.
Most people cannot move their ears. But we all have ear muscles.
Photo Credit: Tierfotoagentur/Alamy Stock Photo
In the Know
What Is a Laser?
A laser is a thin beam of light. People use lasers … read more
In the Know
Summer Sporting Events
There are many big sporting events this summer. Here are … read more
In the Know
Where on Earth Is Germany?
The world has many exciting places. Where on Earth is … read more