Whales are some of the most mysterious creatures on Earth. They are incredibly intelligent, and they communicate with each other using a variety of sounds. But how do they do it?

Scientists have been trying to answer this question for years, and they have made some progress. They know that whales use their ears to hear, but they don't know exactly how they process sound.

Now, a team of scientists at the University of California, Berkeley, has developed a new way to study whale hearing. They have built a rocket scanner that can record the sounds that whales make, and they have used it to learn more about how whales process sound.

The rocket scanner is a small, cylindrical device that is attached to a rocket. When the rocket is launched, the scanner is ejected and free-falls to the ground. As it falls, the scanner records the sounds that it hears.

The scientists have used the rocket scanner to record the sounds of several different species of whales. They have found that whales use a variety of sounds to communicate, including clicks, whistles, and moans.

The scientists have also found that whales can hear sounds at a much higher frequency than humans. Humans can hear sounds up to about 20,000 hertz, but whales can hear sounds up to about 150,000 hertz.

This means that whales can hear sounds that are far beyond our range of hearing. They can hear the sounds of other whales, even if those whales are miles away.

The scientists' research has also shown that whales can use their hearing to navigate. They can use the sounds of the ocean floor to create a mental map of their surroundings.

This ability to navigate using sound is essential for whales, who travel long distances in search of food.

The scientists' research has provided new insights into how whales hear. This research will help us to better understand these amazing creatures and how they communicate with each other.