Sound Drift on Instagram: "There’s a sound called the “Bloop” that was once detected in the Pacific Ocean. In the 1990s, underwater microphones picked up an extremely loud, ultra-low-frequency noise that was powerful enough to be heard across thousands of kilometers. At first, scientists were confused because no known animal was thought to be capable of producing such a sound. Later research suggested the sound most likely came from massive ice cracking and shifting in Antarctica rather than a l