12+ hour, 48+ min ago  (473+ words) Nature is full of fascinating creatures that produce light. From fireflies putting on mesmerizing summer displays to fish that glow eerily in the depths of the ocean, this bioluminescence is a result of chemical reactions that produce flashes of light....

2+ mon, 1+ week ago  (684+ words) As airlines test new routes and researchers refine models, contrails are shifting from an afterthought of flight to a potential tool for cutting the carbon footprint of aviation. At first, Shapiro and colleagues thought there must be a company they…...

2+ mon, 1+ week ago  (462+ words) Bio-based plastics made from materials like sugarcane, corn, or agricultural waste have a smaller carbon footprint than plastics made from petroleum, according to a new study. But the bio-based plastics have a greater impact on natural ecosystems. Another recent study…...

3+ mon, 3+ week ago  (430+ words) A new eco-friendly cooling device can reach temperatures as low as -12. The device, which does not use greenhouse gas refrigerants, is the first such system in the world to reach sub-zero Celsius temperatures. Researchers at the School of Engineering of…...

5+ mon, 3+ week ago  (233+ words) Biochar modified with iron could turbocharge the removal of agricultural pollutants and boost sustainable farming in many other ways too, a new study shows." The study reviewed dozens of papers on biochar and found that while regular biochar is already…...

6+ mon, 2+ week ago  (481+ words) When made by splitting water using renewable electricity, hydrogen promises to be a green fuel for transportation and industries. The process requires large amounts of clean fresh water, though, which stresses local water supplies and adds a cost. New research…...

6+ mon, 4+ week ago  (396+ words) Arsenic is a double-edged sword. It is a known carcinogen found naturally at high levels in groundwater. But it is also an element that is critical for clean energy technologies such as solar cells. Arsenic, which occurs naturally in rocks,…...

7+ mon, 5+ day ago  (469+ words) At the heart of nearly every electronic device is a printed circuit board: typically a flat, green board covered with computer chips and other electronic circuit components. The world produces over 50 million metric tons of electronic waste a year, and…...

7+ mon, 1+ week ago  (361+ words) A cup of tea can recharge you after a long, tiring day. Tea might also be just what spent batteries need to rejuvenate. In a new study, researchers have used natural compounds that they extract from tea leaves to regenerate…...

8+ mon, 1+ week ago  (498+ words) Before refrigerators were invented, people used ice boxes to keep food cold. A large block of ice in a top compartment of the box'typically made of wood and packed with insulating straw or sawdust'would slowly melt, sending cool air to…...