Phys.org
Solar geoengineering could shield up to 75% of oceans from heat waves
Marine heat waves are devastating ocean ecosystems and threatening the food security of billions who depend on seafood. New research suggests solar geoengineering — reflecting sunlight away from Earth — could protect up to 75% of the world's oceans from these destructive events. The findings add weight to calls for serious scientific evaluation of geoengineering as a tool to buffer the worst climate impacts while emissions reductions are pursued.
Read article →Phys.org
AI sorts cell droplets into four shapes, uncovering drug effects in human cells
Princeton researchers have developed an AI system capable of categorizing cell droplets into four distinct shapes, offering a new window into how drugs interact with cellular structures. The tool maps structural morphology to functional outcomes, creating a more precise method for evaluating pharmaceutical effects at the cellular level. The advance could sharpen how scientists identify health markers and predict drug behavior in human cells.
Read article →Phys.org
Gulf Stream shifted north during 12,900-year-old cold snap, first direct evidence shows
The Gulf Stream shifted northward during the Younger Dryas cold period roughly 12,900 years ago, upending marine ecosystems along eastern Canada — and researchers now have the first direct physical evidence to prove it. The findings, from UCL scientists, carry modern implications: as climate change destabilizes ocean circulation today, a similar northward shift could be on the horizon. Understanding past disruptions to the Atlantic current system is critical to predicting what comes next.
Read article →Phys.org
Faster biological aging consistently linked to poverty and discrimination
A sweeping meta-analysis of 140 studies covering nearly 66,000 individuals has found that poverty and discrimination don't just affect quality of life — they accelerate biological aging at the cellular level. Researchers from the Max Planck Institute and Columbia University identified consistent epigenetic changes linked to lower socioeconomic status and exposure to discrimination. The findings reinforce that systemic inequality carries measurable physiological consequences, effectively shortening the biological lifespan of those it affects.
Read article →Get this delivered every morning
Join thousands of readers who get the world's most important stories, curated daily.
Start reading free →