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Medical Xpress / Brain glutamate changes could link cannabis use to a higher risk of psychosis

Cannabis, commonly known as marijuana, is a plant that contains psychoactive compounds that can temporarily alter people's brain activity and perceptions. While the consumption of this plant for medical or recreational purposes ...

Jul 10, 2026
Medical Xpress / Another tick-borne disease to avoid: Anaplasmosis in Canada

Move over, Lyme disease—there's another tick-borne disease to worry about in Canada. Anaplasmosis, the second-most common tick-borne disease in the country, can cause a range of health issues, including myocarditis, as a ...

Jul 13, 2026
Phys.org / Neil the seal is more than a viral animal. He's become a global folk hero

I am one of Hobart's many residents who traveled to a nearby beach to witness Neil the seal—an animal that has been receiving global attention for his wild personality and humorous antics.

Jul 12, 2026
Phys.org / Cast away: Tracing the voyage of a plastic bottle cap and its hitchhiking marine species

Researchers have traced the journey of a plastic bottle cap recovered near the waters of southern Japan by combining data from the label, chemical clues in tiny shells and ocean current simulations. They found 307 organisms, ...

Jul 11, 2026
Phys.org / Larger brain, smaller face: Human evolution took a different course than previously thought

A new study, published July 6, 2026, in the journal Nature Communications, suggests that two of the best-known trends in human evolution—brain growth and the reduction in the size of the face and jaw—may be far less attributable ...

Jul 6, 2026
Phys.org / The public isn't bored with economists, management scholars and sociologists but engaging people has conditions

For years, we've been told a familiar story: Social scientists such as economists, management scholars and sociologists talk, and the public shrugs. The claim goes that people don't find our work interesting, that our expertise ...

Jul 12, 2026
Phys.org / Volcanoes and wildfires are adding water vapor to the stratosphere, raising climate concerns

Moderate volcanic eruptions and extreme wildfires since 2005 have led to an increase in the amount of water vapor in the stratosphere, a layer of Earth's atmosphere above the weather-filled troposphere. That's potentially ...

Jul 9, 2026
Phys.org / Heavy traffic can turn flower-rich verges into bumblebee traps, study finds

Flower-rich road verges may attract hungry bumblebees, but at the same time, they can be dangerous for the buzzing insects—if traffic is too heavy. The new research from Lund University in Sweden examined the role roadsides ...

Jul 11, 2026
Phys.org / Ribosome-based gene circuit lets cells read six signals and trigger responses

The molecular machinery that normally builds proteins inside cells has now taken on a new role as a "switch." A research team at POSTECH (Pohang University of Science and Technology) has developed a new 'RNA-based smart gene ...

Jul 11, 2026
Phys.org / Tiny Jurassic bird reveals a key step in bird evolution

The transition from a lumbering, heavy dinosaur body to the flight-adapted bird body plan is one of many fascinating episodes in evolutionary history. Working out how this massive transformation took place relies heavily ...

Jul 8, 2026
Medical Xpress / New study provides first evidence of dopamine system injury in the brain of long COVID patients

A new brain imaging study led by researchers at the Center for Addiction and Mental Health (CAMH), published in eBioMedicine, provides the strongest evidence to date that long COVID is associated with injury to dopamine-releasing ...

Jul 10, 2026
Phys.org / How simple changes to PowerPoint presentations can make a big difference for learners

Microsoft PowerPoint has become the default tool for presenting learning materials in classrooms, universities, corporate training programs, webinars and remote learning environments. But is it being used effectively? This ...

Jul 12, 2026