Ecological Recovery: Red-crowned cranes are nesting again at China’s Daling River estuary after restoration reopened tidal channels and replanted native vegetation. A Clock Without Clocks: In a lab-made “mini universe” of ultracold rubidium atoms, researchers tracked time through changing entropy; its internal clock stopped when atoms no longer crossed between two halves. AI on Phones: India unveiled three homegrown AI models, including compact versions designed to run offline on mobile phones and models aimed at sensitive sectors such as banking and defence. Mars Clues: Scientists identified seven organic molecules in a rock drilled by NASA’s Perseverance rover in 2020—intriguing chemistry, but not proof of life. Space Science: A gamma-ray sensor from Lawrence Livermore National Laboratory will help Japan’s MMX mission choose where to collect samples from Mars’s moon Phobos for return to Earth in 2031. Crowded Skies: A new study warns that proposed orbital data-center satellite networks could dramatically brighten the night sky if built without safeguards.