"When we listen to the gentle sounds of nature, like a waterfall cascading over rocks or the soft rustling of leaves in a breeze, we allow our minds to shift from a state of alertness to one of ...
There are an estimated 50 to 430 billion birds worldwide. They're everywhere, but few of us take the time to listen. In this episode, our reporter Ben Restle joins a nocturnal Berlin birdwatching ...