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Phys.org / Mountain lion roams posh San Francisco neighborhood before being captured
A 77-pound mountain lion set off a scramble Tuesday as it wandered through San Francisco's wealthy Pacific Heights neighborhood before finally being captured as onlookers safely peered from their home windows or stood across ...
Phys.org / Adoption of electric vehicles tied to real-world reductions in air pollution
When California neighborhoods increased their number of zero-emissions vehicles (ZEV) between 2019 and 2023, they also experienced a reduction in air pollution. For every 200 vehicles added, nitrogen dioxide (NO₂) levels ...
Phys.org / Brazil declares acai a national fruit to ward off 'biopiracy'
Brazil has declared the acai berry a national fruit, a move to stamp its ownership on the popular "superfood" as concerns grow about foreign companies staking claims to the Amazon's biological riches.
Phys.org / Milky Way is embedded in a 'large-scale sheet' of dark matter, which explains motions of nearby galaxies
Computer simulations carried out by astronomers from the University of Groningen in collaboration with researchers from Germany, France and Sweden show that most of the (dark) matter beyond the Local Group of galaxies (which ...
Phys.org / Backlash as Australia kills dingoes after backpacker death
Australian authorities have sparked a backlash by killing a group of dingoes linked to the death of a young Canadian woman on an island in the country's east.
Phys.org / Dark energy survey scientists release analysis of all six years of survey data
The Dark Energy Survey Collaboration collected information on hundreds of millions of galaxies across the universe using the U.S. Department of Energy-fabricated Dark Energy Camera, mounted on the U.S. National Science Foundation ...
Tech Xplore / ASML made record $11.5 billion profit in 2025 thanks to AI-driven demand, plans to cut 1,700 jobs
Dutch semiconductor chip machine maker ASML recorded a record net profit of 9.6 billion euros ($11.5 billion) in 2025 on sales of 32.7 billion euros fueled by AI-driven demand, the company reported Wednesday as it also announced ...
Phys.org / Cuttlefish use polarized light to create a dramatic mating display invisible to humans
Many organisms leverage showy colors for attracting mates. Because color is a property of light (determined by its wavelength), it is easy for humans to see how these colors are used in animal courting rituals. Less obvious ...
Phys.org / World not ready for rise in extreme heat, scientists say
Nearly 3.8 billion people could face extreme heat by 2050 and while tropical countries will bear the brunt cooler regions will also need to adapt, scientists said Monday.
Medical Xpress / Study finds link between screen time and teens' sleep and lifestyle habits
New research in Brain & Behavior has found a link between screen time and adolescents' sleep quality and beliefs about healthy lifestyles. In the study of 700 teens attending two high schools in the Black Sea region of Turkey, ...
Medical Xpress / Wood burning in homes drives dangerous air pollution in winter, study finds
Throwing another log into a crackling fireplace on a cold winter's night might seem like a cozy, harmless tradition. But Northwestern University scientists have found residential wood burning is a major—yet often overlooked—contributor ...
Phys.org / Saltier seas in spring double the chance of extreme El Niño events, study finds
Stronger El Niño events are more likely when springtime surface waters in the western Pacific Ocean become unusually salty, a new study in Geophysical Research Letters suggests. Traditionally, scientists have focused on ...
