Florida mints radiated as peninsula sank and resurfaced during ice ages
During the ice ages of the Pleistocene, the Florida peninsula regularly grew to twice its current size as glaciers expanded near the planet's poles,...
Americans flocking to fire: National migration study
Americans are leaving many of the U.S. counties hit hardest by hurricanes and heatwaves -- and moving towards dangerous wildfires and warmer temperatures, says...
Scientists shine a light on what comes up when you flush
A new visualization of pathogen exposure risk in public bathrooms also provides a methodology to help reduce it.
Working in extreme heat puts strain on fetus
The fetuses of women working in the fields in extreme heat can show signs of strain before their mothers are affected, new research has...
Germicidal UV lamps: A trade-off between disinfection and air quality, study finds
When winter chill strikes, people stay indoors more often, giving airborne pathogens -- such as SARS-CoV-2 and influenza -- prime opportunities to spread. Germicidal...
Climate archives under the magnifying glass
How is the weather changing as a consequence of global warming? Climate archives provide valuable glimpses into past climate changes, especially into the processes...
New method reveals marine microbes’ outsized role in carbon cycle
A new study suggests that a small fraction of marine microorganisms are responsible for most of the consumption of oxygen and release of carbon...
Discovery of world’s oldest DNA breaks record by one million years
Two-million-year-old DNA has been identified -- opening a 'game-changing' new chapter in the history of evolution. Microscopic fragments of environmental DNA were found in...
In the tropics, nitrogen-fixing trees take a hit from herbivores
The ability of tropical forests to grow and store carbon is limited, in part, by herbivory. Insects and other animals prefer to feed on...
Flameproofing lithium-ion batteries with salt
A polymer-based electrolyte makes for batteries that keep working -- and don't catch fire -- when heated to over 140 degrees F.




















