
From Cartilage Repair to Whale Language: This Week in Science
A ScienceAlert weekly digest highlights a slow-release drug that reverses osteoarthritis in animals, reveals structured, speech-like patterns in sperm whale clicks, reports long-term HIV remission after a brother’s stem-cell transplant, uncovers a vast magma reservoir beneath Tuscany, links midlife vitamin D to lower brain tau tangles, and identifies the universe’s most pristine ancient star nearby.

