Two elephants playfully interact with one another. Source: Nilina/Pexels Imagine yourself standing on the savanna. You can't see any animals nearby, but suddenly you feel a thrumming in the air around ...

You are probably aware of the fact that elephants make trumpeting noises - but did you know that most of their communication is so low pitched that humans can’t even hear it? Hosted by: Michael Aranda ...

Think you have perfect hearing? There are still plenty of sounds in the world that you can’t detect. The low range of human hearing starts around 20 hertz, and tops out at about 20,000 [PDF]. By ...