Phys.org What are runnels, the man-made channels that help restore salt marshes? Astrobitica June 6, 2025 (Last updated: June 6, 2025) 1 minute read The salt marshes that are vitally important in protecting shorelines from erosion are increasingly threatened with death by drowning, scientists say. About the Author Astrobitica Administrator Visit Website View All Posts Post navigation Previous: Atlas V rocket to launch Amazon’s 2nd batch of Kuiper internet satellites on June 13Next: The new attack surface: from space to smartphone Related Stories Phys.org Scientists discover rare ‘super-Jupiter’ planet with 180-day long orbit Astrobitica July 8, 2026 Phys.org Heat-shrinking materials get cleaner production route with lower temperatures and finer particles Astrobitica July 8, 2026 Phys.org Image: Hubble captures star-studded cluster Astrobitica July 8, 2026