Humpback Whale Social Learning, Venus Lava Tube Discovery, and the Science of Sleep Deprivation

This is The Lofi Brief: calm beats, clear news for February 19, 2026. A short, low-key look at three stories shaping the moment.Today’s Stories1. Canadian Humpback Whales Thrive Through Social LearningResearchers studying whales in British Columbia’s Kitimat Fjord System found strong evidence that bubble-net feeding — a complex cooperative hunting technique — spread through social networks within the population, helping it rebound at 6–8% growth per year. 🔗 Source: Science News2. Radar Data Reveals a Massive Underground Lava Tube on VenusScientists reanalyzing NASA’s Magellan spacecraft radar data detected the first-ever subsurface structure on Venus — a cavernous lava tube beneath the shield volcano Nyx Mons. 🔗 Source: Reuters3. What Happens Inside Your Brain When You’re Sleep DeprivedNew research shows attention lapses after poor sleep may occur because the brain begins flushing waste during wakefulness — briefly entering sleep-like states to perform essential “housekeeping.” 🔗 Source: The Wall Street JournalThat’s The Lofi Brief.Sources and more reading are in the description.If you enjoyed this episode, please share it with some friends.Thanks for listening — we’ll see you next time.Disclaimer: This episode features original music and commentary inspired by publicly reported news. It does not reproduce news articles or broadcasts. Sources are linked for informational purposes.Find the Lofi Brief wherever you listen to podcast:Apple | Spotify | YouTube | Amazon | Audible If you enjoy the show, please follow and share with others. Music performed by Inner Phases