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 28 min ago
Two mountain marmots found in California cities were released in the wild near Lake Tahoe
Two yellow-bellied marmots were separately found far from their mountain habitat in San Francisco and Antioch in September. Wildlife rescuers believe the animals may have travelled inside vehicles from the Sierra Nevada or Lake Tahoe. After 18 days, both were released nearly 7,800 feet up near Lake Tahoe, while the cases highlighted the risk of marmots entering vehicles.
Archaeologists risked their lives to save 30,000 treasures from ISIS terrorists
In a remarkable feat illustrating tenacity and dedication, Syrian archaeologists embarked on a dangerous mission in 2014-2015 to salvage around 30,000 artifacts from the Deir ez-Zor Museum amidst the intense conflict with ISIS. Led by Professor Maamoun Abdulkarim, the operation faced significant challenges yet underscored the urgency of preserving Syria's cultural heritage and collective memory, reinforcing the crucial role historical artifacts play during times of crisis.
Scented Cleaners Create Nanoparticles: Purdue study flags hidden indoor risk; trillions of particles form during routine cleaning
A study conducted at Purdue University reveals that scented cleaning products release compounds that react with indoor ozone, leading to the quick formation of ultrafine particles that may diminish air quality. During cleaning in confined areas, these particles can accumulate significantly. While maintaining cleanliness is essential, it is wise to minimize exposure to chemical byproducts through methods like opting for fragrance-free alternatives and ensuring adequate ventilation.
Vivien He developed a device that detects earthquake signals and sends warnings through alarms
Vivien He has created an innovative IoT device called Qube, retailing for under $100. This device specializes in detecting earthquakes and alerts users through alarms or text messages. After a nine-month trial, it successfully identified quakes greater than M 3.0 in the Los Angeles region. The data collected indicated a reliable correlation between ground movements and quake magnitudes, underscoring the viability of affordable earthquake warning solutions in cities.
In 1993, a project set out to reconnect wildlife habitat from Yellowstone to Canada's Yukon
The Yellowstone to Yukon Conservation Initiative is proudly nominated for Prince William's Earthshot Prize in 2026. This groundbreaking effort aims to reinstate a vital 3,400-kilometre wildlife corridor through the majestic Rocky Mountains. Achieving over 200 wildlife crossings and safeguarding around 24 million hectares, Indigenous involvement is key to strengthening conservation practices here. Looking forward, the initiative hopes to secure an extra 20 million hectares by 2030.
California acquired 640 acres near Pioneertown for western Joshua tree conservation
California state officials secured 640 acres of desert land near Pioneertown for western Joshua tree conservation. Researchers identified this land as suitable for the species despite climate change. The California Department of Fish and Wildlife completed the acquisition with funds from the Western Joshua Tree Conservation Fund. Collaboration with Native American tribes is planned for long-term stewardship of the property.
Burmese pythons are climbing trees, revealing differences between adults and juveniles
Burmese pythons were radio-tracked in Big Cypress National Preserve from 2017 to 2024 to study habitat use. Researchers found that juveniles displayed greater arboreal behavior compared to adult pythons, with varying seasonal patterns. Adult pythons preferred trees during the cooler dry season, while juveniles showed similar trends in habitat usage. The study recorded different tree species preferred by various sized pythons during arboreal observations.
Why reindeer eyes turn deep blue in winter and how it helps them see in Arctic twilight
Reindeer experience a seasonal change in eye color that enhances their ability to see in dim Arctic light. This adaptation involves a shift in the tapetum lucidum from gold-turquoise in summer to deep blue in winter. The deep blue reflection helps reindeer forage and detect predators in low-light conditions. Changes in collagen fibril spacing within the eye's reflector contribute to this transformation.
Roman-era pyramid tomb found in Egypt’s Dakhla Oasis, dating back 1,700 years
A rare pyramid-shaped tomb has been uncovered at Bir Al-Shaghala in Egypt's Dakhla Oasis and dates back to the Roman period. The tomb, built from mud brick, combines Egyptian and Roman architectural styles and includes inscriptions. Among the findings is a Greek funerary poem dedicated to a man named Psychtis, indicating cultural exchanges. Archaeologists also discovered artifacts related to funerary rituals, including an offering table and a bronze coin.
Mississippi River islands near Iowa are disappearing; $40M project to restore 630 acres of habitat
Efforts are underway to rejuvenate islands and bolster habitats along Iowa's Mississippi River. Utilizing dredged materials from navigation upkeep, new islands are emerging to safeguard shorelines. Construction commenced in 2025, with phases extending through 2030. This initiative, part of a larger U.S. Army Corps program, aims to enrich the river's ecosystem, fostering diverse fish and wildlife habitats.
Burmese python DNA was detected in water five minutes after exposure in Florida
Researchers at the University of Florida have pioneered a groundbreaking tetraplex digital PCR assay aimed at the rapid detection of invasive snakes within the state. This innovative method effectively identifies key species such as Burmese pythons, northern African pythons, boa constrictors, and rainbow boas. Remarkably, DNA from the Burmese python can be identified in water shortly after contact with the snake, marking a notable enhancement over previous detection techniques.
