Swiss scientists build tiny flying robots using sound waves to generate thrust

Swiss engineers have developed miniature robots that fly and steer without motors. These devices harness sound waves through Helmholtz resonance to generate directional thrust. Researchers demonstrated this principle by steering tiny boats and lifting microfliers off the ground. One microflier design used three microscopic cavities for direct vertical thrust. Another version spun tiny blades, generating helicopter-like lift at high speeds.

Nasa launched rhesus monkey Miss Sam in January 1960 to test Project Mercury's escape system.The flight confirmed the escape tower's ability to pull the capsule clear of its booster.Miss Sam reached 1,800 mph and an altitude of nine miles before recovery.Her mission data helped assess the safety of the Mercury spacecraft for human flights.Behavioral and physiological monitoring pioneered on her flight influenced later primate missions.

Researchers created an artificial reef from coal-fired power station waste in Poole Bay. Marine life began colonizing the structure almost immediately after its deployment. Adult lobsters and edible crabs reached the reef within three weeks of its placement. The structure attracted schools of pouting and supported reproduction for several species. This experiment showed industrial waste could become a productive marine habitat.

A groundbreaking 17-year study on Lake 223 in Ontario revealed a complex response to acid rain. While the water chemistry has recovered since the experiment ended, the ecosystem is lagging behind. Fish numbers have not rebounded as hoped, with growth rates remaining low. This underscores the vital message that true ecological healing involves much more than merely restoring chemical balance.

Researchers have identified a piezoelectric effect in ultrathin diamond membranes.This effect, previously unseen in bulk diamond, appears in thin polycrystalline sheets.Grain boundaries within these membranes are responsible for generating electrical responses when deformed.The strongest piezoelectric response was observed in membranes approximately five micrometres thick.This discovery opens doors for new applications in energy harvesting and smart electronics.

Sea otters, once nearly extinct due to excessive hunting, have successfully rebounded in British Columbia, playing a crucial role in stabilizing kelp forests by curbing sea urchin overpopulation. However, their increasing numbers have drawn attention to the plight of northern abalone, a critical food source threatened by otter predation. Finding the right balance in conservation strategies is essential to protect both species from growing pressures.

Advocating for biodiversity, E.O. Wilson suggests that dedicating half of Earth to nature is crucial for preventing a sixth mass extinction. In conjunction, M.C. Davis has embarked on an ambitious project to restore the longleaf pine ecosystem in the Southeastern U.S., investing extensively in native species reintroduction and tree planting. His Nokuse Plantation represents a major step toward preserving essential habitats for countless species.

Demolition teams successfully took down the High Street Dam, reestablishing a ten-mile stretch of river access. This pivotal development has revitalized critical spawning and habitat areas for migratory fish species. The ambitious river restoration initiative was financially backed by both federal and state resources. Additionally, a newly designed bridge will facilitate flood management and enhance fish movement, promoting improved water flow and public access to the Town River.

After years of erosion and extreme weather, Dickinson Bay's lost islands have seen a remarkable revival. Spearheaded by the Galveston Bay Foundation and U.S. Fish and Wildlife Service, habitat restoration efforts have successfully created new nesting habitats for over 2,500 pairs of waterbirds. This revitalization not only boosts local biodiversity but also creates job opportunities and enhances economic activity through recreational fishing and improved oyster reefs.

Ishanvi Sakharpe, a dedicated Virginia student, has designed Dolphin Guard to safeguard marine life. Her remarkable science project has been honored with the 2026 Virginia State Merit Winner award. This accolade emphasises the role of young innovators leveraging technology for wildlife protection. With dolphins threatened by boating and fishing pressures, Sakharpe's initiative shows how determination and creativity can lead to effective conservation strategies.

A Spanish vineyard study revealed significant soil health improvements over two decades.Long-term vegetation cover doubled topsoil organic matter compared to tilled areas.This practice enhanced soil porosity and biological activity in dry conditions.The findings suggest reduced soil disturbance benefits water-limited vineyards.Allowing plants to remain strengthens soil function under challenging climates.

Solar panels placed over sea cucumber ponds in China have effectively lowered water temperatures, leading to a significant reduction in the summer dormancy period for young sea cucumbers by twelve days. Alongside this, the panels changed the distribution of plankton and minimized organic material in the pond sediments. These insights highlight the potential of aquavoltaics to enhance aquaculture practices while promoting sustainable energy solutions.

Dental plaque analysis revealed diverse diets for Edo-period Osaka commoners. Researchers found proteins from 17 food types, including luxury red sea bream. This suggests developing markets made once-exclusive foods accessible to ordinary people. Salmon proteins indicated food traveled long distances via extensive shipping networks. Even cottonseed oil and terrestrial animal meat were consumed by these individuals.

MrBeast, the popular YouTuber, launched an ambitious initiative known as #TeamTrees. This groundbreaking campaign garnered viral attention, resulting in the planting of millions of trees funded by generous online donations. Partnering with various influencers and environmental organizations, it has successfully restored vast tracts of land and sequestered significant amounts of carbon. His innovative use of social media demonstrates how digital platforms can drive meaningful charitable endeavors

The northern spotted owl, once a revered icon of environmental activism, faces dire circumstances as it becomes functionally extinct in numerous regions. A recent study indicates a severe decline in its populations throughout their historical habitat. Factors such as habitat destruction and rampant wildfires have severely impacted the species over the years, while the encroaching barred owl emerges as a formidable threat.

A remarkable fossil unearthed in Texas sheds light on the evolutionary journey of insects transitioning from aquatic to terrestrial life. This ancient species featured paddle-like limbs designed for swimming and additional legs on its abdomen, indicating a semi-aquatic lifestyle in shallow coastal regions. This find is crucial in understanding the slow, gradual adaptations insects underwent over millions of years in their evolutionary history.

Pickerel Lake, Minnesota, has battled significant water quality and algal bloom problems for decades, primarily due to invasive common carp taking over the shallow waters. After their removal in 2009, the lake underwent a remarkable ecological revival, with water clarity significantly improving and native aquatic plants flourishing once more. This successful restoration highlights the pivotal role of addressing invasive species in revitalizing ecosystems.