Science news

Researchers harnessed rice plants to generate electricity using plant microbial fuel cells. Activated biochar electrodes improved power density and lowered methane emissions significantly. The rice-based system produced higher voltage than sediment-based fuel cells. This technology offers a promising step for sustainable energy generation in paddy fields. Further development is needed for large-scale application of this innovative system.

Researchers are developing methods to recycle discarded cigarette butts into lightweight bricks. This innovative approach aims to reduce environmental pollution from cigarette waste. Incorporating butts into bricks can also lower energy requirements during production. The research explores collecting and processing cigarette filters on an industrial scale. This initiative could significantly decrease litter and manufacturing costs globally.

Arizona's Apache trout has seen a stunning recovery from the brink of extinction, largely due to the proactive conservation efforts spearheaded by the White Mountain Apache Tribe. Officially taken off the list of federally protected species in September 2024, this fish now thrives in its natural habitat, shielded from invasive trout by a newly erected barrier. Ongoing management and monitoring of the species are essential for ensuring its long-term survival.

A controversial initiative to incorporate crocodiles into prison moats has prompted environmental scrutiny. This initiative centers on Nile crocodiles, deemed a 'cultivated wild animal.' Animal rights advocates are pressing the judiciary, highlighting ethical dilemmas. The discourse also engages with land utilization and conservation frameworks within Israel, underscoring the intricate ramifications of wildlife governance in society.

Atlas Building Composites uses AI and robotics to recycle plastic into strong building components.This innovative system melts and fuses plastic with fiberglass for durable construction materials.The company has already supplied recycled trusses for a U.S. Army Corps of Engineers bridge project.Their waterless recycling method processes low-grade plastic efficiently and locally.Atlas aims to build one billion homes by converting plastic pollution into useful materials.

Scientists have developed a floating farm which uses sunlight to desalinate seawater. This innovative system successfully grew broccoli, lettuce, and Pak Choi with high germination rates. The double-layered vertical solar sea farm design integrates evaporation and cultivation chambers efficiently. Researchers tested six units in artificial seawater, demonstrating practical cultivation potential. This technology offers a promising route for marine agriculture and efficient water use.

Innovative research has led to the creation of wide-bandgap perovskite solar cells tailored for underwater energy generation. Capable of harnessing limited light at depths of up to ten meters, these cells have been tested on underwater robots, showcasing their effectiveness and considerable power output. They displayed impressive durability during extensive storage and under simulated marine conditions, marking a significant advancement in power supply for sub-oceanic technologies and sensors.

Singaporean researchers are using fruit peels to recycle lithium-ion batteries. Waste from oranges, lemons, and pineapples helps dissolve battery material and recover metals. This pilot plant processes shredded batteries, recovering valuable components for new battery production. The innovative method combines food waste and spent batteries, moving laboratory work towards commercial use. This approach aims to tackle battery waste and food waste together effectively.