Fertilizers manufactured from the sludgy leftovers of wastewater treatment processes can contain traces of potentially hazardous organic chemicals, according to a new study by Johns Hopkins University researchers.
Comprehensive Science Review Shows Fuel Treatments Reduce Future Wildfire Severity
There is a common belief that prescribed burning, thinning trees, and clearing underbrush reduce risks of the severity of future fires.
Ocean’s loss of oxygen caused massive Jurassic extinction: Could it happen again?
Researchers have found a chemical clue in Italian limestone that explains a mass extinction of marine life in the Early Jurassic period, 183 million years ago. Volcanic activity pumped out CO2, warming oceans and lowering their oxygen levels. The findings may foretell the impact climate change and oxygen depletion might...
Almonds, pottery, wood help date famed Kyrenia shipwreck
Researchers have identified the likeliest timeline of the famous Hellenistic-era Kyrenia shipwreck, discovered and recovered off the north coast of Cyprus in the 1960s.
Solar technology: Innovative light-harvesting system works very efficiently
Researchers are reporting progress on the road to more efficient utilization of solar energy: They have developed an innovative light-harvesting system.
Wildfires increasingly threaten oil and gas drill sites, compounding potential health risks
More than 100,000 oil and gas wells across the western U.S. are in areas burned by wildfires in recent decades, a new study has found, and some 3 million people live next to wells that in the future could be in the path of fires worsened by climate change.
Non-stop flight: 4,200 km transatlantic flight of the Painted Lady butterfly mapped
In October 2013 a researcher made a surprising discovery of Painted Lady Butterflies on the Atlantic beaches of French Guiana -- a species not typically found in South America. This unusual sighting prompted an international study to investigate the origin of these butterflies.
Myths about intermittent fasting, debunked
Research shows that the increasingly popular weight-loss strategy is safe. Intermittent fasting has become an increasingly popular way to lose weight without counting calories. And a large body of research has shown it s safe. Still, several myths about fasting have gained traction.
Unexpected Diversity of Light-Sensing Proteins Goes Beyond Vision in Frogs
Frogs have maintained a surprising diversity of light-sensing proteins over evolutionary time, according to a new study led by a Penn State researcher.
New Tomato, Potato Family Tree Shows that Fruit Color and Size Evolved Together
Fruits of Solanum plants, a group in the nightshade family, are incredibly diverse, ranging from sizable red tomatoes and purple eggplants to the poisonous green berries on potato plants.