Plastic particles themselves, not just chemical additives, can alter sex hormones
A new study used a pioneering technique to deliver endocrine-disrupting aerosolized micro-nano-plastics to female lab rats.
The reasons why insect numbers are decreasing
Researchers are investigating the causes and consequences of the worldwide insect decline as well as considering potential countermeasures.
The future is foggy for Arctic shipping
As the Arctic warms and loses sea ice, trans-Arctic shipping has increased, reducing travel time and costs for international trade. However, a new study...
One famous dog and a powerful new approach for understanding biology and evolutionary history
Ever since scientists first read the complete genetic codes of creatures like fruit flies and humans more than two decades ago, the field of...
Early-nesting ducks at increased risk due to changes in climate, land use
Each year approximately 10 million waterfowl fly north to their breeding grounds in the Prairie Pothole Region of North America, but the landscape that...
Elephant ecosystems in decline
Global space for Asian elephant habitats has been in rapid decline since the 1700s, a new report reveals. More than 3 million square kilometers...
Scientists discover antibiotic resistance genes in clouds
The atmosphere is a large-scale dissemination route for bacteria carrying antibiotic-resistance genes. A research team has shown that these genes can be transported by...
Male California sea lions are becoming bigger and better fighters as their population rebounds
California sea lions have managed to maintain -- and, in the case of males, increase -- their average body size as their population grows...
Researchers explore techniques to successfully reintroduce captive birds into the wild
Studies show that some species may require breeding in captivity within the next 200 years to avoid extinction. This reality places heavy importance on...
Using microbes to get more out of mining waste
Researchers have developed a new mining technique which uses microbes to recover metals and store carbon in the waste produced by mining. Adopting this...




















