PFAS, or per- or polyfluoroalkyl substances, are ubiquitous in modern life. First produced at the end of World War II, these chemicals are in everything from furniture and cosmetics to food packaging, non-stick pans and clothing.
articles
Changes to Cougar Diets and Behaviors Reduce Their Competition with Wolves in Yellowstone, Study Finds
A new study shows that interactions between wolves and cougars in Yellowstone National Park are driven by wolves stealing prey killed by cougars and that shifts in cougar diets to smaller prey help them avoid wolf encounters.
40 Years of Tracking Trees Reveals How Global Change Is Impacting Amazon and Andean Forest Diversity
New research published in Nature Ecology and Evolution reveals significant recent shifts in tree diversity among the tropical forests of the Andes and Amazon, driven by global change.
Higher Costs for Green‑Hydrogen Transport in the Nordics
Green hydrogen produced using solar and wind power would be cheaper to produce at more southerly latitudes than in the Nordic region.
Hubble Observes Ghostly Cloud Alive with Star Formation
While this eerie NASA Hubble Space Telescope image may look ghostly, it’s actually full of new life.
A New, Expansive View of the Milky Way Reveals Our Galaxy in Unprecedented Radio Colour
Astronomers from the International Centre of Radio Astronomy Research (ICRAR) have created the largest low-frequency radio colour image of the Milky Way ever assembled.


