Other Sciences News

Coffee Consumption May Help Improve Cognitive Performance in Patients with Atrial Fibrillation

Coffee consumption in patients with atrial fibrillation may be associated with improved cognitive performance and reduced inflammatory markers. Image credit: Sci.News.
Dec 23, 2024 by Enrico de Lazaro

Atrial fibrillation is an independent risk factor for the development of cognitive impairments. Regular coffee consumption has shown cognitive benefits in healthy individuals. Whether regular consumption reduces cognitive decline in vulnerable patients is controversial. In new research, scientists from the University Hospital Zurich and elsewhere investigated the association in elderly people with atrial fibrillation. Coffee consumption in patients...

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Dayan et al. found that although large language models show remarkable proficiency in several cognitive domains, they show notable deficits in visuospatial and executive functions, akin to mild cognitive impairment in humans.

Almost All Leading Large Language Models Show Signs of Mild Cognitive Impairment: Study

Dec 20, 2024 by News Staff

With the exception of ChatGPT 4o, almost all publicly available large language models subjected to a test called the Montreal Cognitive Assessment (MoCA)...

Anauralia is the phenomenon of an absence of auditory sensory imagery -- not hearing anything in one’s inner ear. Image credit: Vat Loai.

Some People Can’t Imagine Sounds: Anauralia

Dec 19, 2024 by News Staff

Some people can’t imagine a dog barking or a police siren; songs can’t get stuck in their heads; they have no inner voices. Anauralia was proposed...

El Sidron Neanderthals taste wild mushrooms, pine nuts and forest moss. Image credit: Abel Grau, CSIC Communication.

Scientists Identify Genetic Variants that Determine Tooth Shape

Dec 17, 2024 by News Staff

One of these genetic variants was inherited from Neanderthals, according to a study led by University College London researchers. El Sidron Neanderthals...

Denisovans were probably dark-skinned, unlike the pale Neandertals. The picture shows a Neanderthal man. Image credit: Mauro Cutrona.

Study: Neanderthal Gene Flow into Modern Humans Occurred between 50,500 and 43,500 Years Ago

Dec 13, 2024 by News Staff

In a genomic study encompassing more than 300 genomes, researchers determined the time period during which Neanderthals interbred with modern humans, starting...

Illustration of the Zlatý kůň/Ranis group. Image credit: Tom Björklund / Max Planck Institute for Evolutionary Anthropology.

Earliest Modern Human Genomes Decoded

Dec 12, 2024 by News Staff

Scientists have sequenced and analyzed the genomes of seven individuals who lived between 42,000 and 49,000 years ago in Ranis, Germany and Zlatý kůň,...

Mapping of the altermagnetic order vector in MnTe. Image credit: Amin et al., doi: 10.1038/s41586-024-08234-x.

New Class of Magnetism Imaged for First Time: Altermagnetism

Dec 12, 2024 by News Staff

Altermagnetism is a distinct form of magnetic order where the tiny constituent magnetic building blocks align antiparallel to their neighbors, but the...

Added sugar intake was positively associated with ischemic stroke and abdominal aortic aneurysm, although the highest risks of most outcomes were found in the lowest intake category; positive linear associations were found between toppings intake and abdominal aortic aneurysm, and between sweetened beverage intake and ischemic stroke, heart failure, atrial fibrillation, and abdominal aortic aneurysm; negative linear associations were found between treats intake (pastries, ice cream, chocolate, and sweets) and all outcomes, and between toppings intake (table sugar, honey, jams, and marmalades) and heart failure and aortic stenosis. Image credit: Ernesto Rodriguez.

Drinking Sweetened Beverages Significantly Increases Cardiovascular Disease Risk, Study Suggests

Dec 10, 2024 by News Staff

In a new study published in the journal Frontiers in Public Health, scientists investigated the associations between intake of added sugar and various...

Intake of dark chocolate instead of milk chocolate may be associated with a lower risk of type 2 diabetes. Image credit: Sci.News.

Increased Consumption of Dark, But Not Milk, Chocolate Reduces Type 2 Diabetes Risk: Study

Dec 6, 2024 by News Staff

Consumption of at least five servings of dark chocolate a week (one serving is equal to a standard chocolate bar/pack or 1 oz) compared with rare consumption...

A portrait of a juvenile female Denisovan based on a skeletal profile reconstructed from ancient DNA methylation maps. Image credit: Maayan Harel.

New Species of Archaic Human Proposed: Homo juluensis

Dec 6, 2024 by Enrico de Lazaro

Homo juluensis — a newly-erected human species that includes enigmatic Denisovans and several hominin fossils from Tibet, Taiwan and Laos —...

The frequency of emoji use varies across genders and relationship types. Image credit: Pete Linforth.

Study: People with Higher Emotional Intelligence Use Emojis More Frequently

Dec 5, 2024 by News Staff

Higher emotional intelligence is linked to more emoji use with friends, while avoidant attachment is associated with less emoji use with friends and dating...

Bottom-up nano- to micro-fabrication is crucial in modern electronics and optics. Conventional multi-scale array fabrication techniques, however, are facing challenges in reconciling the contradiction between the pursuit of better device performance and lowering the fabrication cost and/or energy consumption. Chang et al. introduce a facile mixed-metal array fabrication method based on guided self-assembly of polymerizing organometallic adducts derived from the passivating oxides of a ternary liquid metal to create mixed metal wires. Image credit: Julia Chang.

Researchers Demonstrate New Technique for Self-Assembling Electronics

Dec 5, 2024 by News Staff

The new proof-of-concept work, published in the journal Materials Horizons, paves the way for self-assembling more complex electronic devices without relying...

An artist’s reconstruction of Clovis life 13,000 years ago shows the Anzick-1 infant with his mother consuming mammoth meat near a hearth. Another individual crafts tools, including dart projectile points and atlatls. A mammoth butchery area is visible nearby. Image credit: Eric Carlson / Ben Potter / Jim Chatters.

Clovis People’s Diet Mainly Included Mammoths and Other Large Mammals, New Study Says

Dec 4, 2024 by News Staff

Paleoanthropologists have found that the Columbian mammoth (Mammuthus columbi) was the largest contributor to the diet of the Clovis people — the...

A diffractive robot. Image credit: Smart et al., doi: 10.1126/science.adr2177.

Researchers Create Smallest Walking Robot Yet

Dec 4, 2024 by News Staff

A team of researchers at Cornell University has created a new class of magnetically controlled microscopic robots (microbots) that operate at the visible-light...

Reconstruction of a Trypillia house. Image credit: Susanne Beyer, Kiel University.

Expanded Opportunities Attracted People to Trypillia Culture’s Mega-Settlements

Dec 2, 2024 by Sergio Prostak

Over its history, archaeology has seen a varied set of uses made of philosophy and philosophical concepts. A persistent critique has been that too often...

A Homo heidelbergensis, a Neanderthal and a Cro-Magnon. Image credit: SINC / José Antonio Peñas.

Increases in Brain Size Occurred within Human Lineages Comprising Single Species, New Study Reveals

Nov 29, 2024 by News Staff

New research by scientists from the University of Reading and the University of Durham shows that encephalization (i.e., relative brain size increase)...

In the systematic review of 18 randomized clinical trials, interventions of increased water intake (or decreased intake in one study) were associated with statistically significant greater weight loss and fewer nephrolithiasis events; single studies suggested benefits related to migraine prevention, urinary tract infection, diabetes control, and hypotension but did not reach statistical significance. Image credit: Günter.

Drinking Plenty of Water Can Provide Number of Health Benefits, New Review Says

Nov 28, 2024 by News Staff

Drinking enough water can help with weight loss and prevent kidney stones, as well as migraines, urinary tract infections and low blood pressure, according...

A 3D computerized model of the surface of the area near Lake Turkana in Kenya shows fossil footprints of Paranthropus boisei (vertical footprints) with separate footprints of Homo erectus forming a perpendicular path. Image credit: Kevin Hatala / Chatham University.

At Least Two Hominin Species Coexisted in Kenya 1.5 Million Years Ago

Nov 28, 2024 by News Staff

Paleoanthropologists have discovered 1.5-million-year-old footprints of two completely different species of hominins — Homo erectus and Paranthropus...

Britton et al. used a scanning electron microscope, scanning the mat with a focused beam of electrons and creating an image based on the pattern of electrons that are deflected or knocked-off; each individual strand is too narrow to be clearly captured by any form of visible light camera or microscope. Image credit: Beatrice Britton / Adam Clancy.

World’s Thinnest Spaghetti Created: Nanopasta

Nov 25, 2024 by News Staff

The world’s thinnest spaghetti is just 372 nm across — about 200 times thinner than a human hair. Britton et al. used a scanning electron microscope,...

Direct electrochemical reduction of carbon dioxide capture species, i.e., carbamate and (bi)carbonate, can be promising for carbon dioxide capture and conversion from point-source. Image credit: Neves-Garcia et al., doi: 10.1021/jacs.4c09744.

Researchers Find New Way to Convert Carbon Dioxide into Methane

Nov 22, 2024 by News Staff

A new class of atomically dispersed nickel catalysts directly converts captured carbon dioxide (CO2) to methane (CH4), according to Dr. Tomaz Neves-Garcia,...

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