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 32 min ago
High-speed fireball meteor with thunderous flashes and sonic boom passed over New Zealand sky, researchers say it could offer a rare glimpse into the solar system's origin
A spectacular fireball passed over New Zealand sky at an extremely high speed. The celestial visitor produced loud rumbles and bright light displays for observers. Scientists are now collecting data to understand this rare event. Specialised cameras are tracking the meteor's precise flight path. Citizens are encouraged to search for possible meteorite fragments on the ground.
Satellite made by 750 Indian schoolgirls now orbits the Earth near the ISS
After overcoming an initial setback, Indian schoolgirls have successfully launched their AzaadiSAT satellite into orbit. This remarkable project engaged 750 students from 75 schools throughout India, where they contributed to building satellite components that were incorporated into a real ISRO satellite. This successful launch represents a significant stride toward inspiring girls in STEM education, showcasing their dedication and resilience in the face of challenges.
Canada’s 2023 wildfires burned 15.1 million hectares and released 554 million tonnes of carbon
In 2023, Canada faced an unprecedented wildfire season that unleashed staggering carbon emissions from ancient underground soil and peat. These fires devastated extensive landscapes, liberating long-stored carbon accumulated over thousands of years. The challenge with subterranean fires lies in their resilience, transforming carbon sinks into sources of emissions, which exacerbates global warming and intensifies future wildfire risks.
A turtle left the ocean to lay eggs in Costa Rica with a remora attached; the fish held on for...
On a picturesque Costa Rican beach, an unexpected sight caught the eyes of researchers when a mother sea turtle arrived with a lively suckerfish clinging to her shell for an astonishing nineteen minutes. The fish, which seemed to adapt momentarily to land, showcased its gill movements. After careful observation, it was returned to its aquatic home, darting away with unexpected vigor, leaving onlookers astonished by its resilience.
Human blood is becoming a preferred choice for mosquitoes, and scientists think Brazil’s disappearing forests may be the reason
Scientists observed mosquitoes in Brazil's Atlantic Forest feeding on humans more often. This shift suggests habitat loss is pushing mosquitoes towards human hosts. DNA analysis revealed this surprising feeding pattern in protected forest areas. Disappearing wildlife populations may force mosquitoes to seek new blood sources. Protecting forests could help reduce future risks from mosquito-borne diseases.
Lewis Latimer's first patent improved train toilets before electric lighting
Lewis Howard Latimer first patented an improved railway water closet in 1874. This invention addressed sanitation issues for nineteenth-century train passengers. Latimer later became known for his work in electric lighting and Edison. He also developed innovations for incandescent lighting systems. His early patent marked a significant start to his engineering career.
The world's biggest oxygen producer isn't the Amazon. It's the ocean filled with tiny invisible life
Researchers studied 1,561 forest plots across 10 tropical countries; non-native trees formed 28% of stems in young moist forests, but declined as the canopy returned
Young tropical forests show many non-native trees while canopies remain open. As forests mature and canopies close, these non-native species tend to decrease. This pattern was observed across ten tropical countries in a recent study. Early forest regeneration is vulnerable to invasive species, which can establish easily. Understanding these dynamics aids effective forest restoration planning and native ecosystem recovery.
Bermuda snails were thought to be extinct from the island, a decade later breeders have released over 100,000 of them back
Once thought to be lost forever, the incredible Bermuda snail has been successfully revived. A decade ago, a small group was rediscovered and subsequently bred at Chester Zoo. Thousands were released back into safeguarded woodland areas in Bermuda, where six colonies have thrived. This success not only supports ecosystem recovery but also allows conservationists to shift their attention to breeding another rare native snail species.
El Salvador archaeologists lifted a burial sealed beneath 2,800-year-old volcanic ash; the person lay face down with a sea turtle-shaped vessel near one hand
Archaeologists discovered a 2,800-year-old burial in El Salvador clutching a sea turtle vessel. This Mesoamerican burial may belong to a pre-Maya civilization which practiced human sacrifice. The skeleton was found under volcanic ash from an eruption dating to 850-830 BC. Cassava remnants found in the pit symbolize continuation and spiritual resonance. Further chemical analysis will reveal more about the individual's life and diet.
China lost more than 50% of its mangrove forests by the 2000s, now it has restored 22,500 hectares of the trees
China has made remarkable strides in restoring its mangrove ecosystems, committing to large-scale projects that have expanded coverage significantly. By planting and revitalizing thousands of hectares, not only has biodiversity surged, but the quality of these crucial habitats has also seen improvement. Robust legal measures now safeguard more than ninety percent of mangrove areas, complemented by the establishment of an international center focused on mangrove conservation in Shenzhen.
Antarctica averages minus 55°C at Vostok Station, yet a lake remains liquid beneath four kilometres of ice
Lake Vostok, a massive body of water, lies four kilometers beneath Antarctic ice. This subglacial lake remains liquid due to insulating ice and geothermal heat. Its existence challenges our understanding of life's extreme limits and nature's magic. The lake has been isolated from the atmosphere for millions of years. Scientists continue to study this unique environment and its potential inhabitants.
New chapter in reading: AI companion tools let readers chat with books
New artificial intelligence tools now let readers ask questions directly to books. These innovative platforms offer e-books and audiobooks alongside AI chatbots for immediate answers. Companies like Sinai.ai and Amazon's Audible are developing these interactive reading experiences. However, copyright and author compensation remain significant unresolved issues for these tools. Some platforms are exploring ways to pay authors and publishers for their content.
