Algal biomarker IP25 improves projections of winter sea ice
Future Arctic winter sea ice is likely to shrink by around one million square kilometres more than previously thought, after researchers used clues from a warm period 6,000 years ago…
Hotter than your average spa bath: Extreme warming of Amazon lakes in 2023
An unprecedented heatwave and drought in 2023 turned the Amazon’s lakes into shallow simmering basins, with water temperatures soaring to temperatures above 40 degrees Celsius (ºC) in one case and…
How to freeze bottles without making a mess
Have you ever left a bottle of liquid in the freezer, only to find it cracked or shattered? To save you from tedious freezer cleanups, researchers at the University of…
Fluoride in drinking water is associated with impaired childhood cognition
Elevated concentrations of fluoride can occur in well water, and in some countries, it is added to drinking water to counteract caries in the population. A study from Karolinska Institutet…