♪ Good morning to a brand new day ♪ ♪ Time to learn and the games to play ♪ ♪ Learning things is so much fun ♪ ♪ Learning is good for everyone ♪ (cheerful music) - Good morning second grade. I didn't ...

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Millions of years ago marine animals had hearing organs that allowed them to detect sounds in the water. When land dwelling animals evolved they now had to detect environmental sounds that traveled ...

Your inner ear, also called the labyrinth, plays a key role in your hearing and sense of balance. Several conditions can impact the inner ear. Your inner ear is the deepest part of your ear. The inner ...

Some people experience fluttering sounds in the ears that come and go, while others may hear a continuous sound. Causes include tinnitus, dysfunction of tissues in the ear, and high blood pressure.