Footage has captured the moment a fin whale was swimming alongside a pod of dolphins off the coast of the Isles of Scilly. The drone video was filmed by local cameraman Gareth Tibbs. He said there had been a lot of whale activity around the islands this winter, which was 'amazing' to see. Full story: https://bit.ly/3xdh0Zz | ITV News West Country

Blue whale vocalizations are very low frequency sounds with some in the 15 Hz range. These tones characteristically travel long distances due to the high power, but also due to very long-wavelengths (over 300 feet for 15 Hz). This enables their songs to be heard thousands of miles from the source. We can assume that the projection distance is important (Nature can be extravagant, but she is never wasteful), but we can only speculate why they need to broadcast their songs across ocean basins. The