科学与环境
Colombia's new bee checklist documents 738 species, including 246 newly recorded
来源: Phys.org - latest science and technology news stories · 发布于
A team led by a Penn State professor and doctoral student has compiled a checklist documenting the bee species in Colombia—the first of its kind for any country in the Western Hemisphere.
A team led by a Penn State professor and doctoral student has compiled a checklist documenting the bee species in Colombia—the first of its kind for any country in the Western Hemisphere.
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AI skills not enough to level the playing field—study
Training in AI skills improves the chances of women from underrepresented backgrounds being invited to job interviews, but not enough to eliminate the inequalities they face in the labor market, according to a new study.
Phys.org - latest science and technology news stories ·
Changes in DNA packaging help immune cells swell and burst
Immune cells are the elite athletes of the human body. While other cells stay in place, immune cells travel throughout our bodies, squeezing through small channels, stretching themselves, sampling the surfaces of other cells and swallowing up invaders. One of their most extreme b
Phys.org - latest science and technology news stories ·
More than half of LGBTQ+ adults in Massachusetts faced food insecurity in 2024
More than half of LGBTQ+ adults in Massachusetts experienced food insecurity in 2024, according to a new study published in JAMA Network Open. Researchers also found that food insecurity increased from 2022 to 2024 and remained significantly more common among LGBTQ+ adults than a
Phys.org - latest science and technology news stories ·
Sperm whale study highlights need for 'extensive and dynamic' conservation
A new study of sperm whales highlights the need for ocean conservation that covers large areas—with boundaries redrawn as our climate changes. The research team, led by the University of Exeter, combined sperm whale surveys in the southwest Indian Ocean with predictions of how cl
Phys.org - latest science and technology news stories ·
New electrode design breaks key barrier to greener ammonia production
A new approach to producing ammonia using renewable electricity has overcome a fundamental energy limitation of the technology, opening new possibilities for cleaner and potentially more cost-effective production of one of the world's most important chemicals.
Phys.org - latest science and technology news stories ·