physics

Native Mexican range for Lilac-crowned Parrot (purple) and Red-crowned Parrot (red) and introduced range for both species (green) in southern California. Credit: Diversity and Distributions (2024). DOI: 10.1111/ddi.13817 During a walk through the Huntington Botanical Gardens with her mother one morning, Brenda Ramirez was alarmed by the sudden squawks, warbles, and screeches of troops of … Read more

An endangered San Joaquin kit fox. Credit: California Department of Water Resources Climate change is driving both the loss of biodiversity and the need for clean, renewable energy. It is also shifting where species are expected to live in the future. Yet these realities are rarely considered together. Where can clean energy projects be built … Read more

Graphic on coral bleaching. A “mass bleaching event” is unfolding on Australia’s famed Great Barrier Reef, authorities said Friday, as warming seas threaten the spectacular home to thousands of marine species. Often dubbed the world’s largest living structure, the Great Barrier Reef is a 2,300 kilometre (1,400 mile) expanse of tropical corals that house a … Read more

The National University of Colombia’s valuable collection of some 44,000 stuffed birds is housed in metal pull-out drawers in a delapidated public building. Under a cracked and leaky ceiling, Andres Cuervo works on a colorful, dead hummingbird for the ornithological collection of the National University of Colombia, the country with more bird species than any … Read more

Credit: AI-generated image Everyone’s right to learn continues throughout life. According to Finnish music education researchers, educational and cultural institutions are responsible for finding new ways to respond to the needs of a rapidly aging society. Finland is one of the super-aging countries identified by the United Nations (UN), with around 21% of its population … Read more

Credit: Unsplash/CC0 Public Domain Smaller class sizes in schools are failing to increase the resilience of children from low-income families, according to a study published in the International Journal of Science Education. Data on more than 2,700 disadvantaged secondary (high) school students shows that minimizing pupil numbers in classrooms does not lead to better grades. … Read more

Credit: CC0 Public Domain A cross-border science collaboration has yielded a global database that will help researchers understand how climate change is affecting ocean predators like the albacore tuna—which also happens to be an important food source for people around the world. “Climate change is shifting where species can live, and the pace of change … Read more

The size of the circles corresponds to the number of substances detected per sampling point. The colors quantify the number of chemicals detected simultaneously at a sampling site (e.g. 51 to 100 substances were detected in 41% of the sites). Credit: UFZ Many pesticides, industrial chemicals, and pharmaceuticals, as well as their degradation products, end … Read more

Graphical abstract. Credit: Environmental Science and Ecotechnology (2024). DOI: 10.1016/j.ese.2024.100397 The demand for paper and paperboard production continuously grows worldwide, particularly in the packaging industry. Due to the paper’s nature, it usually requires a surface coating to keep out water, oil, and other unwanted substances. These coatings can come with high financial and environmental costs. … Read more

B. sapida fruit, showing peach colored arils covering dark oval seeds. Source: Wikimedia Commons Antimicrobial resistance (AMR) remains 1 of the top 3 global public health challenges facing humanity. Every year, 70,000 people die globally from AMR, and the threat is exacerbated by the fact that we have moved from the era of excess antibiotics … Read more