Dear olivier hartmanshenn,
Here is your customized Science X Newsletter for week 25:
Glass bottles found to contain more microplastics than plastic bottles
Drinks including water, soda, beer and wine sold in glass bottles contain more microplastics than those in plastic bottles, according to a surprising study released by France's food safety agency Friday.
New theory proposes time has three dimensions, with space as a secondary effect
Time, not space plus time, might be the single fundamental property in which all physical phenomena occur, according to a new theory by a University of Alaska Fairbanks scientist.
Banking data reveals early warning signs of cognitive decline in older adults
A major new study has uncovered how everyday financial behaviors—captured in routine banking data—can signal early signs of cognitive decline and financial vulnerability in older adults, up to a decade before formal intervention.
The solar system's greatest mystery may finally be solved
For years, astronomers have been searching for a mysterious ninth planet lurking in the dark outer reaches of our solar system. Now, a team of researchers have taken a completely different approach to this cosmic detective story—instead of looking for reflected sunlight, they're hunting for the planet's own heat signature.
Analysis casts doubt on ancient drying of northern Africa's climate, raising new questions about early human evolution
A study led by researchers from Brown University finds that rainfall patterns across northern Africa remained largely stable between 3.5 and 2.5 million years ago—a pivotal period in Earth's climate history when the Northern Hemisphere cooled and places like Greenland became permanently glaciated.
Thermodynamics revisited: Study solves 120-year-old problem and corrects one of Einstein's ideas
Nernst's theorem—a general experimental observation presented in 1905 that entropy exchanges tend to zero when the temperature tends to zero—has been directly linked to the second principle of thermodynamics in a paper published in The European Physical Journal Plus, whose sole author is University of Seville professor José Martín-Olalla.
Scientists discover a materials maze that prevents bacterial infections
Scientists at the University of Nottingham have discovered surface patterns that can drastically reduce bacteria's ability to multiply on plastics, which means that infections on medical devices, such as catheters, could be prevented.
Earliest evidence of humans in the Americas confirmed
Vance Holliday jumped at the invitation to go do geology at New Mexico's White Sands. The landscape, just west of Alamogordo, looks surreal—endless, rolling dunes of fine beige gypsum, left behind by ancient seas. It's one of the most unique geologic features in the world.
Simulation reveals emergence of jet from binary neutron star merger followed by black hole formation
Binary neutron star mergers, cosmic collisions between two very dense stellar remnants made up predominantly of neutrons, have been the topic of numerous astrophysics studies due to their fascinating underlying physics and their possible cosmological outcomes. Most previous studies aimed at simulating and better understanding these events relied on computational methods designed to solve Einstein's equations of general relativity under extreme conditions, such as those that would be present during neutron star mergers.
Astronomers have found the home address for the universe's 'missing' matter
A new landmark study has pinpointed the location of the universe's "missing" matter, and detected the most distant fast radio burst (FRB) on record. Using FRBs as a guide, astronomers at the Center for Astrophysics | Harvard & Smithsonian (CfA) and Caltech have shown that more than three-quarters of the universe's ordinary matter has been hiding in the thin gas between galaxies, marking a major step forward in understanding how matter interacts and behaves in the universe.
Sea spiders found farming methane-eating microbes in cultivated biofilm
A research team led by Occidental College has identified a previously unknown symbiosis; deep sea spiders that cultivate and feed on bacteria that oxidize methane.
Strange Atlantic cold spot linked to century-long slowdown of major ocean current
For more than a century, a patch of cold water south of Greenland has resisted the Atlantic Ocean's overall warming, fueling debate among scientists. A new study identifies the cause as the long-term weakening of a major ocean circulation system.
Size matters: Sharks follow two-thirds scaling law, proving theory
A new study has used cutting-edge 3D modeling to confirm that sharks follow the "two-thirds scaling law" almost perfectly, with the discovery set to help reshape how we understand biology across the animal kingdom.
'Yes, in my back yard'—most people who live near large-scale solar projects are happy to have more built nearby
Would you like to live next door to a solar farm? Traditionally, it's been thought that although people like the idea of renewable energy plants, they don't want them close by. Now, research investigating how people who live near large-scale solar projects feel about them has found that 82% of people living within an hour's walk of current projects would support, or are neutral toward, new projects in their area.
Permanent magnet configurations outperform classical arrangement to deliver strong and homogeneous fields
Physicists Prof. Dr. Ingo Rehberg from the University of Bayreuth and Dr. Peter Blümler from Johannes Gutenberg University Mainz have developed and experimentally validated an innovative approach for generating homogeneous magnetic fields using permanent magnets.
The European Huns had ancient Siberian roots, linguistic study reveals
New linguistic findings show that the European Huns had Paleo-Siberian ancestors and do not, as previously assumed, originate from Turkic-speaking groups. The joint study was conducted by Dr. Svenja Bonmann at the University of Cologne's Department of Linguistics and Dr. Simon Fries at the Faculty of Classics and the Faculty of Linguistics, Philology and Phonetics at the University of Oxford.
Two brain cell types that determine whether smells are pleasant or unpleasant identified
You wouldn't microwave fish around your worst enemy—the smell lingers both in kitchen and memory. It is one few of us like, let alone have positive associations with. But what makes our brains decide a smell is stinky?
Using ChatGPT to write essays may be eroding critical thinking skills
A team of neurologists and AI specialists at MIT's Media Lab has led a study looking into the brain impacts of large language model (LLM) use among people who engage with them for study or work. They report evidence that the use of LLMs may lead to an erosion of critical thinking skills. In their study, posted on the arXiv preprint server, the researchers asked groups of volunteers to write essays while connected to EEG monitors.
The Cosmic Owl: Astronomers discover a peculiar galaxy merger
An international team of astronomers reports the detection of a peculiar merger of two similar ring galaxies that morphologically resemble an owl's face. The discovery of this galaxy merger, dubbed the "Cosmic Owl," is presented in a research paper published June 11 on the arXiv preprint server.
Scale of how chronic fatigue syndrome affects patients' blood shown for first time
People with ME/CFS (myalgic encephalomyelitis/chronic fatigue syndrome) have significant differences in their blood compared with healthy individuals, a new study reveals, suggesting a path toward more reliable diagnosis of the long-term debilitating illness. The paper is published in the journal EMBO Molecular Medicine.
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