whistles

For those who are not familiar with military technology, this whistling whistle may sound quite strange, they may think that at the battlefield giving such warning sounds to the

Scientists discovered strange sounds born from the unique combination of water movement and geography in Caribbean waters.

The satellites introduced by humans into the universe for decades have been equipped with special sensors to be able to

Like humans, horses have the ability to build a connection between image and sound to recognize the same herd.