Video: NASA's black hole audio shows how scientists are recording the universe
Ever wondered what the universe sounds like? While the Hubble space telescope has brought us a wealth of starry sights since its discovery in 1990, astronomical researchers have also been hooked on providing a means for people to experience these cosmic marvels using other senses too. In this case, it's our sense of hearing.
In a first, researchers discovered a rare mineral that comes directly from Earth's lower mantle