This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. Claude Science is Ant…

Stealthy startup Arcturus uses lasers to infuse carbon nanomaterials into copper, dramatically improving its ability to conduct electricity.

Per- and polyfluoroalkyl substances (PFAS), often referred to as "forever chemicals," are among the most persistent contaminants found in water systems worldwi…

Experts have unraveled substantial new text from two carbonized Herculaneum scrolls, including what may be a previously unknown work by a Stoic philosopher.

Grasslands account for roughly 40% of terrestrial ecosystems and are paramount to global food security. Wild grasslands provide food for livestock and habitat …

AI models could use 85–134 terawatt-hours yearly by 2027, risking massive energy and carbon costs. Researchers are racing to cut energy use through better hard…

Doping a 12-carbon ring with a single lithium atom increases its nonlinear optical response tenfold, offering a lightweight, tunable alternative to inorganic c…

Ocean alkalinity enhancement can boost carbon removal but overdoing it causes calcium carbonate to precipitate, reducing the ocean’s ability to absorb CO₂. Thi…

Universities and local governments are collaborating on practical climate solutions, like solar projects and food-waste hubs, because together they control sig…

Coal smoke from India and China is polluting the Himalayas, with black-carbon levels near those of dirty cities, threatening the water supply of two billion pe…

Scientists precisely controlled atomic defects in carbon quantum dots to tune their light emission, enabling cheaper, non-toxic alternatives to current quantum…