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Phys.org / How giants that vanished 10,000 years ago triggered ripple effects that are still felt today
Between 50,000 and 10,000 years ago, many of the world's largest mammals disappeared. Picture creatures like saber-toothed cats with 7-inch fangs and elephant-sized sloths. Woolly mammoths whose curved tusks grew longer than ...
Medical Xpress / Targeted 'biological missile' blocks leukemia growth while sparing healthy tissue
New research out of VCU Massey Comprehensive Cancer Center has uncovered a targeted cancer therapy that significantly prevents leukemia progression, improves survival rates and minimizes damage to surrounding healthy tissue.
Medical Xpress / After assault, OCD risk rises fastest in first year, pointing to a critical care window
Obsessive compulsive disorder (OCD) is a mental health condition characterized by recurring intrusive thoughts (i.e., obsessions) and repetitive behaviors (i.e., compulsions) aimed at reducing anxiety. This disorder is estimated ...
Phys.org / Two whale groups separated by seas—but not by genes, study finds
A paper in Genome Biology and Evolution discovers that the endangered Mediterranean fin whale is not completely isolated from Atlantic groups. Both Atlantic and Mediterranean populations have declined for the past 200,000 ...
Phys.org / Deep-ocean heat has been marching closer to Antarctica, reveals long-term study
A new decades-long study of oceanographic data provides the first evidence that deep-ocean heat has moved closer to Antarctica, threatening the fragile ice shelves that fringe the continent.
Phys.org / Room-temperature vibrations could transform how industry makes graphene
Researchers have demonstrated a new technique for creating 2D materials that runs at room temperature and increases production rates tenfold over current methods, without using toxic solvents. Scientists led by Dr. Jason ...
Medical Xpress / A banned chemical still lingers, and its strangest effect may depend on sex, genes and one common vitamin
In two new studies, researchers at the UC Davis MIND Institute have clarified how a long-banned group of chemicals, called polychlorinated biphenyls (PCBs), affect genetic activity. The research helps explain how biological ...
Phys.org / Alternative work arrangements spur new thinking on the role of HR professionals
Employee work arrangements are a challenge for management globally, with effects on employees' experiences and the success of organizations. In an editorial in The International Journal of Human Resource Management, researchers ...
Phys.org / A mechanical blue LED: Stretching GaN shifts light from UV to blue without changing chemistry
A research team from the Faculty of Engineering at the University of Hong Kong (HKU) has successfully used mechanical stretching technology to dynamically control the emission color of gallium nitride (GaN) material from ...
Phys.org / This new tool makes AI's role in student writing visible
Generative artificial intelligence (AI) has transformed college writing. As paper drafts are increasingly co-written with AI, professors are left wondering not whether students are using AI, but how. A 2025 AI in Education ...
Phys.org / Trump says US has 'a shot' at crewed Moon landing before presidency ends
US President Donald Trump on Wednesday said he believes NASA has a good chance of returning astronauts to the moon's surface before he leaves the White House at the start of 2029.
Medical Xpress / When promising cures collapse before they reach patients
Hospitals filled to capacity. Case counts climbing by the hour. Quarantine became routine. It was the beginning of the COVID-19 pandemic. The world needed a vaccine that didn't exist, and there was no clear timeline for one. ...
