The Ozone Layer Is Healing
A generation after governments agreed to remove invisible chemicals from everyday products, the atmosphere is responding. The victory is real—but it is slow, measured and still unfinished.
The Library Beyond Books: When Borrowing Things Really Beats Owning Them
A shared drill or carpet cleaner can save money and materials, but only when the loan replaces a purchase and the journey, upkeep and rules still make sense.
The Dorm-Room Idea That Learned to Move Mountains of Food
Evan Ehlers began with unused meal credits. A record produce giveaway shows how far the idea travelled — and why rescue is mostly a problem of logistics.
The Great Barrier Reef Is Recovering Again — That Is Hope, Not an All-Clear
New coral can return quickly when conditions ease, while local teams protect the recovery; the harder question is whether each recovery window will remain long enough.
Two injections a year: the HIV shot has started arriving, and the hard part is the queue
Nine African countries have now given 191,620 doses of lenacapavir — a drug that stops HIV by jamming the virus's protein shell — but supply, not science, is the limit.
Four dams came down. The salmon went 360 miles upstream.
The Klamath's 2025 Chinook run came in at 51,277 fish against a forecast of 28,554 — and the reason is less about fish ladders than about water temperature.