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Today's Science News

AI-Powered Solar Storm Prediction

Researchers on NASA's COFFIES initiative have developed AI-driven methods to identify active regions on the Sun that are likely to produce solar storms, aiming to improve space weather prediction for future exploration missions.

Preserved Dinosaur Collagen Challenges Fossilization Assumptions

Researchers have found strong evidence that original collagen can survive inside dinosaur fossils for tens of millions of years, challenging long-held assumptions about how fossilization works and opening new pathways for understanding dinosaur biology and evolution.

Brain Receptor Discovery Offers New Obesity Treatment Insights

Researchers have discovered that targeting the same GIP receptor in different brain regions produces weight loss through opposite mechanisms, offering new insights into how obesity drugs work and potential combination therapy strategies.

Atlantic Ocean Circulation Has Warming Threshold

New research indicates the Atlantic Meridional Overturning Circulation (AMOC) can adapt to gradual warming but faces a tipping point when temperatures rise at today's faster rates.

Estrogen Therapy Linked to Reduced Alzheimer's Markers

A large study of over 21,000 participants found that women who used estrogen-only hormone therapy later in life showed 39% lower odds of dementia diagnosis and 35% lower odds of Alzheimer's-related brain changes at autopsy, including reduced amyloid plaques and tau tangles.

Immune Cell Infiltration in Aging Brain Documented

Stanford researchers have discovered that large numbers of immune cells from the bloodstream begin entering the human brain as early as middle age, where they can transform into microglia, the brain's specialized immune cells.