Phys.org news

Phys.org / Indigenous peoples in the Amazon face massive cultural and ecological loss due to climate change

The Amazon region, Earth's most important ecosystem, is home to more than 400 Indigenous groups that use thousands of rainforest plant species. They pass on their knowledge of the flora primarily through oral tradition, usually ...

Jul 8, 2026
Phys.org / Block-by-block AI maps uncover real urban air temperatures across 380 U.S. cities

Cities are often described as "heat islands," with media reports warning that some neighborhoods can be 20° F (7° C) hotter than others. But those temperatures are often based on satellite data rather than the conditions ...

Jul 8, 2026
Phys.org / Ocean acidification may be shrinking the brains of the world's most intelligent invertebrates

An ongoing research project exploring the effects of rising levels of oceanic CO2 on squid neurology reveals that exposure to future levels of ocean acidification could shrink their brain volume by around 50%. This severe ...

Jul 8, 2026
Phys.org / California wolves feed heavily on cattle and their presence causes significant stress among livestock

Two new studies examining gray wolves in California paint a complex picture of life on the state's ranching landscapes: Wolves eat cattle more than anything else, and the presence of the predators causes significant stress ...

Jul 8, 2026
Phys.org / Maize-fed animals may have helped Maya farmers solve corn's protein deficiency

Maize (corn) is a major dietary staple in Maya communities past and present because of its reliability, potential for surplus, and suitability as both food and fodder. It became so important to ancient Mesoamerican communities ...

Jul 8, 2026
Phys.org / Decoding of one of nature's largest enzymes reveals electron flow behind biological methane production

A research team at Marburg University has investigated one of the largest enzyme complexes found in nature to date and deciphered its remarkable structure. Under the supervision of Dr. Jan Schuller, Ph.D. student Sophia Paul ...

Jul 8, 2026
Phys.org / Global warming, increasing wildfire risk threaten viability of some California winery regions

The U.S. is the fourth-largest wine-producing country by output volume, and approximately 80% of its production occurs in California. Ever since the 19th century, California's premier wine-growing regions have been the Napa ...

Jul 8, 2026
Phys.org / Beavers thrive in river estuaries along North America's northwest coast

Beavers are widespread in estuaries and tidal wetlands in the Pacific Northwest of the United States, demonstrating that they are not restricted to rivers and streams, Gregory Hood at the Skagit River System Cooperative, ...

Jul 8, 2026
Phys.org / Romantic relationships with AI evolve in a similar way to human ones

A new study shows that relationships with artificial intelligence (AI) systems can evolve from casual conversations to bonds characterized by emotional intimacy, emotional dependence or experiences similar to a romantic breakup. ...

Jul 8, 2026
Phys.org / Nature's puncture tools reveal shape trade-offs between piercing power and strength

Nature has invented countless types of pointy appendages, and scientists have long sought to explain what makes these structures so effective at puncturing other things. A new study models the key physical characteristics ...

Jul 8, 2026
Phys.org / Replacement 'climate-friendly' car refrigerant linked to rising forever chemical pollution in EU

A newer "climate-friendly" refrigerant used in car air conditioning systems may already be a significant, and possibly dominant, source of a "forever chemical" pollutant across Europe, according to a new University of Bristol-led ...

Jul 8, 2026
Phys.org / Turning up the heat on cancer: Manganese ferrite nanoparticles outperform rivals

Scientists have long known that heat can be used to help fight cancer. But heating tumors and cancer cells is trickier than it sounds. Apply too much heat and patients could get hurt; apply too little or target the wrong ...

Jul 8, 2026