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 Astronomers catch hot birth of galaxy cluster more than 11 billion light-years away Astrobitica August 19, 2026 Phys.org Mars attacks: How much dust from the red planet is safe to breathe? Astrobitica August 18, 2026 Phys.org NASA’s LRO images Falcon 9 crater on moon, learns new details Astrobitica August 18, 2026