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: 12 min 58 sec ago
Montana rancher’s rare Nanotyrannus fossil goes on display ahead of $9M auction
A rare find in the form of a nearly 70 percent complete Nanotyrannus skeleton, affectionately named Jodi, has been unearthed by rancher Jodi Pierson in Montana and is set to go under the hammer at Sotheby’s in New York on October 27. This well-preserved specimen is anticipated to garner between $6 million and $9 million, creating a buzz among paleontologists and collectors alike due to its invaluable significance.
Tech Aids Lost Birdsong Recovery: Synthetic calls help sparrows relearn old songs; scientists weigh AI’s role
A groundbreaking approach has emerged, leveraging computer-generated recordings to rejuvenate the bird songs that nature has lost. Researchers successfully reintroduced the unique call of the rufous-collared sparrow back into its habitat in Argentina. This innovative conservation strategy seeks to bolster endangered species by preserving their vocal heritage and fostering communication skills, as demonstrated by positive outcomes in captive breeding for species such as the regent honeyeater.
Scientists capture a molecular movie showing how penicillin forms, revealing hidden stages
At the University of Oxford, researchers have uncovered new stages of penicillin formation, employing cutting-edge ultrafast X-ray free-electron laser techniques for real-time observation. They documented the enzymatic action of isopenicillin N synthase, transforming a linear peptide into penicillin scaffolds. Key findings include a thioaldehyde intermediate and a monocyclic β-lactam, offering valuable insights for future antibiotic innovations and advancements in medical biology.
USDA-funded 2022 trial found cardboard garden beds had 15% weed cover, versus 45% in tilled beds
Weeds can significantly impact crop yield, leading to a need for effective control methods. A USDA-funded trial demonstrated that cardboard beds reduced weed coverage compared to tilled beds. Farmers found that using cardboard made weeding easier and more efficient after two growing seasons. The results from the trial showed varied crop yields when grown in different bed types.
Polyethylene Microplastics And Liver Risk: Texas A&M links exposure to fatty liver signs; questions remain for human health
New research from Texas A&M University indicates that polyethylene microplastics may affect liver health negatively. The study observed significant signs of fatty liver disease linked to polyethylene exposure and a high-fat diet. Researchers found changes in gene activity related to fat metabolism and tissue repair. Future investigations will focus on whether these pollutants contribute to more severe liver damage.
NASA’s Perseverance rover breaks Mars driving record, covering 28.1 miles in five years
NASA's Perseverance rover has set a new distance record on Mars, traveling 28.10 miles in its mission, eclipsing the previous record of 28.06 miles set by Opportunity in nearly 15 years. This remarkable feat, achieved over five and a half years, showcases Perseverance's advanced autonomous navigation system as it investigates ancient geological structures and collects rock samples to enhance our scientific insights.
11-year-old builds 450-member water network and moss filter to tackle lead in school water
Nithya Tammana, a passionate young advocate, noticed rampant water wastage at home, prompting her to launch Save Drop. This initiative has attracted over 450 young changemakers dedicated to preserving water resources. Through impactful campaigns, she stresses the necessity of altering daily water conservation habits. Furthermore, she developed BioLayer, a nature-inspired water filter designed to enhance water quality, earning accolades for her contributions to environmental sustainability.
