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Updates every hour. Last Updated: 10-Jun-2026 00:16 ET (10-Jun-2026 04:16 GMT/UTC)
Why did juvenile Psittacosaurus ingest gastroliths?
Science China PressPsittacosaurus was a genus of herbivorous dinosaurs that lived in the Early Cretaceous. Since the first report of Psittacosaurus discoveries in Mongolia a century ago, at least 12 valid species have been recognized to date. The unearthed fossils cover a complete developmental sequence from newly hatched juveniles to adult individuals. Recently, a joint research team from the Dinosaur Evolution Research Center of Jilin University and the University of Toronto Mississauga analyzed 13 juvenile Psittacosaurus fossils from the same nest, all containing gastroliths. The findings have significantly reshaped the traditional understanding of their feeding behavior—even individuals under one year of age ingested gastroliths to aid in digesting tough, fibrous plants. Lithological analysis of these gastroliths indicates that the juveniles likely obtained the stones locally, with their activity confined to the western Liaoning region and showing no evidence of long-distance migration. This study highlights a relatively stable feeding strategy throughout the life cycle of Psittacosaurus, providing key insights into reconstructing the paleoecological evolution of early ceratopsians. The research has been published in SCIENCE CHINA Earth Sciences.
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- Science China Earth Sciences
Graz University of Technology researchers strengthen wood with needle and thread
Graz University of Technology- Funder
- Österreichische Forschungsförderungsgesellschaft
- Meeting
- 20th NAFEMS World Congress, NWC 2025
Parental advice on interacting with police varies widely by race
Rutgers UniversityThe birds and the bees. Say no to drugs. Advice from parents is an expected, if cringeworthy, part of growing up.
But for some children, the odds of receiving one piece of parental wisdom known as “The Talk” – strategies for safely handling a police encounter – is heavily influenced by a child’s race and gender.
A study from Rutgers University-New Brunswick quantifies just how much influence these factors play.
“The advice parents give their kids about interacting with police – hands on the wheel, no quick or furtive movements – is shaped by lived experiences,” said Ashley Jackson, an assistant professor in the Rutgers School of Social Work and the lead author of the study published in Youth & Society. “It also changes by gender and race.”
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- Youth & Society
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- National Institute of Justice, Office of Justice Programs, U.S. Department of Justice
AI-driven lab tackles “grand challenge” of inverse design
University of ChicagoIn new research from the University of Chicago Pritzker School of Molecular Engineering, Argonne National Laboratory and Purdue University, the AI-driven robotic lab Polybot designed and built new polymers that hit precise, targeted shades of orange and green – a task that takes researchers decades of experience to learn – in just 72 hours.
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- Journal of the American Chemical Society
Self-supervised learning opens a new path for neuroimaging analysis in brain disorders: a review highlights key opportunities from data scarcity to clinical translation
Health Data ScienceNeuroimaging analysis in brain disorders faces a persistent challenge: brain signals are complex and high-dimensional, while high-quality labeled datasets remain limited. This review article systematically examines how self-supervised learning can help address that gap by learning meaningful representations directly from unlabeled neuroimaging data. It covers major methodological families, including contrastive, generative, and hybrid generative-contrastive approaches, and discusses their applications in functional MRI, EEG, and multimodal brain network analysis.
The review argues that self-supervised learning offers more than annotation efficiency. It may enable more transferable and clinically useful representations for disease screening, diagnosis, and prognosis across heterogeneous datasets and disorders. At the same time, interpretability, data heterogeneity, missing modalities, and clinical validation remain major barriers. Future work will likely focus on stronger multimodal fusion, better cross-site generalization, and more clinically adaptable model design.
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- Health Data Science
Enjoy the latest research for Environmental Surfaces and Interfaces
KeAi Communications Co., Ltd.- Journal
- Environmental Surfaces and Interfaces
Jeonbuk National University researchers develop fabrication methods and prediction models for enhanced segregated composites
Jeonbuk National University, Sustainable Strategy team, Planning and Coordination Division- Journal
- Advanced Composites and Hybrid Materials
Sunscreen produces persistent free radicals when exposed to light, a recent study finds
Arnold School of Public Health- Journal
- Environmental Science & Technology Letters