Science Alert
Catch up on the latest science news, from space and technology to life and environmental research- all the discoveries shaping our world today.
Updated: 1 hour 49 min ago
Large Blue Comeback: extinct UK butterfly surges 1,866%; ecosystem fix drives recovery
After being declared extinct in Britain, the large blue butterfly has made a remarkable return, flourishing across thirty-three different sites. Since 1983, its population has soared by an astounding 1,866%. This resurgence showcases a delicate ecological interplay with specific food plants and ants. Thanks to focused conservation efforts in habitat restoration and understanding its life cycle, the large blue stands as a powerful symbol of successful species recovery.
Japan village turns 40,000 tonnes of discarded scallop shells into stronger safety helmets
In Sarufutsu village, the burgeoning problem of scallop shell waste has taken center stage. A plastic manufacturing firm has crafted a groundbreaking material known as Shellstic using these shells. This eco-conscious innovation leads to the creation of Shellmet - an exceptionally durable helmet for fishermen, outperforming standard plastic versions. Such developments offer a promising approach to resolving industrial waste concerns sustainably.
Florida oyster reef restoration helped marine life return within 18 months
In Florida's Indian River Lagoon, restored oyster reefs have sparked impressive marine life revitalization. Species diversity reached parity with that of thriving reefs in a mere year, while overall invertebrate abundance required eighteen months for similar recovery. Notably, flatback mud crab populations surged alongside developments in reef structures and oyster density, highlighting how environmental factors shape the resurgence of these marine communities.
Scientists turned a dead mosquito into a microscopic 3D-printing nozzle
Scientists have ingeniously transformed the proboscises from dead mosquitoes into effective mini nozzles for 3D printing applications. This groundbreaking approach, termed 3D necroprinting, allows for the production of remarkably detailed printed lines. These natural tips provide precise material dispensing under pressure, facilitating the crafting of complex designs and biological scaffolds, and thus, significantly advancing the field of biohybrid microengineering and manufacturing.
Scientists turned rice plants into tiny power sources and reduced methane from paddy fields
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.
Why don't birds fall out of trees while sleeping? The unusual science behind the phenomenon
Birds have evolved unique adaptations that allow them to sleep safely on tree branches. Special tendon and leg structures automatically secure their feet when their legs bend, which maintains balance even in slightly moving branches. Some birds also utilize their foot shape and balance for perching, while others may choose to rest on one leg to conserve heat during colder weather.
Arizona’s Apache trout neared extinction; after recovery, a new barrier protects 22 miles of habitat
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.
RMIT researchers turn cigarette butts into bricks, reducing firing energy use by 10%
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.
