Other Sciences News

Artificial Sweeteners May Play Role in Spread of Antibiotic Resistance

This digitally colorized, scanning electron microscopic (SEM) image, depicts a clump of yellow-colored, spheroid shaped, Staphylococcus aureus bacteria that were enmeshed in a blue-colored, filamentous extracellular matrix, which normally binds cells together within the body’s various tissue types Image credit: National Institute of Allergy and Infectious Diseases.
Feb 26, 2021 by News Staff

Four commonly used artificial sweeteners – saccharine, sucralose, aspartame, and acesulfame potassium — can promote the horizontal transfer of antibiotic resistance genes, according to new research. This digitally colorized, scanning electron microscopic (SEM) image, depicts a clump of yellow-colored, spheroid shaped, Staphylococcus aureus bacteria that were enmeshed in a blue-colored, filamentous extracellular matrix, which normally binds...

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Ardipithecus ramidus, a hominid that lived in Africa more then 4 million years ago. Illustration by Arturo Asensio, via Quo.es.

4.4-Million-Year-Old Ardipithecus Hand Reveals ‘Big Evolutionary Jump’

Feb 26, 2021 by News Staff

Paleoanthropologists from the United States, the United Kingdom, Norway, and South Africa have examined the fossilized hand of Ardipithecus ramidus, a...

Zhou & Hyppönen observed a positive dose-dependent association between self-reported coffee intake and plasma concentration of low-density-lipoprotein cholesterol, total cholesterol and apolipoprotein B, with the highest lipid levels seen among participants reported drinking over 6 cups/day. Image credit: Ermal Tahiri.

Heavy Coffee Consumption May Increase Cardiovascular Disease Risk

Feb 25, 2021 by News Staff

Long-term heavy coffee consumption (six or more cups a day) may lead to unfavourable lipid (fat) profile, which could potentially increase individuals’...

Konkoly et al. implemented procedures for two-way communication during polysomnographically verified REM sleep in 36 individuals. Image credit: Konkoly et al., doi: 10.1016/j.cub.2021.01.026.

Scientists Demonstrate Two-Way Communication with Dreaming Persons during Lucid Dream

Feb 24, 2021 by News Staff

New research from Northwestern University shows that individuals who are asleep and in the midst of a lucid dream — aware of the fact that they are...

Lin et al. examined whether daily caffeine intake affects human gray matter through the mediation of homeostatic sleep pressure. Image credit: Bru-nO.

Daily Caffeine Intake Induces Changes in Gray Matter, Study Shows

Feb 24, 2021 by News Staff

Caffeine, a psychostimulant commonly used to combat high sleep pressure on a daily basis, alters gray matter structures; however, the effect appears to...

Illustration showing the relationship between ice VI and XIX unit cells viewed down their c-axes, and the differences in their diffraction patterns, with color coding red for ice XIX and blue for ice VI. Image credit: University of Innsbruck.

Scientists Create New Crystalline Form of Ice

Feb 18, 2021 by News Staff

Ice XIX is the second hydrogen-partially-ordered phase of ice VI, a previously known form of ice that exists at pressures around 1 GPa and temperatures...

Distribution of Earth’s continental crust, ocean basins and plate boundaries in the plate model at present day. Tan polygons are areas of continental lithosphere in the Neoproterozoic, blue polygons are areas of present-day continental lithosphere. Abbreviations: A - Amazonia; Ant - Antarctica; AUS - Australia; BP - Borborema Province; CCT - Chinese Central Tianshan; Cu - Cuyania; CY - Chu Yili; K - Kalahari; KMT - Krygyz Middle Tianshan; KNT - Krygyz North Tianshan; KST - Krygyz South Tianshan; N-B - Nigeria-Benin; NC - North China; P - Paranapanema; ANS - Arabian Nubian Shield; Qa - Qaidam; Qi - Qilian; RDLP - Rio de la Plata; SC - South China; SM - Sahara Metacraton; T - Tarim; WAC - West African Craton. Image credit: Merdith et al., doi: 10.1016/j.earscirev.2020.103477.

New Video Shows Movement of Earth’s Tectonic Plates over Past Billion Years

Feb 10, 2021 by News Staff

An international team of geoscientists has created the first continuous full-plate model with evolving plate boundaries spanning one billion year ago to...

Caffeine is a known neuromodulator that is commonly consumed throughout pregnancy. Image credit: Poohchisa Tunsiri.

Caffeine During Pregnancy Is Not a Good Idea, Researchers Say

Feb 10, 2021 by News Staff

Caffeine consumed during pregnancy can change important brain pathways that could lead to behavioral problems later in life, according to new research...

The magnetic structure of FePS3. Image credit: Cavendish Laboratory.

Physicists Identify New Form of Magnetism in ‘Magnetic Graphene’

Feb 10, 2021 by News Staff

The high-pressure magnetic phase observed in iron trithiohypophosphate, a 2D material that transitions from an insulator to a metal when compressed, likely...

A Minoan clay tablet inscribed with Linear A, which is on display in Crete’s Archaeological Museum of Heraklion. Image credit: Ester Salgarella.

Scientists One Step Closer to Cracking Minoan Linear A Script

Feb 8, 2021 by News Staff

Linear A is a logo-syllabic script used for administrative purposes on Bronze Age Crete. Together with Cretan Hieroglyphic, it is one of two writing systems...

Quartz vial containing 300 micrograms of einsteinium-253. The illumination produced is a result of the intense radiation from einsteinium-253, which alpha decays with a half-life of 20.5 days. Image credit: R.G. Haire, U.S. Department of Energy.

Einsteinium: Scientists Reveal Chemical Secrets of Elusive Transplutonium Element

Feb 4, 2021 by News Staff

Transplutonium elements are a group of metals that lie at the edge of the periodic table. As a result, the patterns and trends used to predict the physics...

A reconstruction of a Neanderthal man. Image credit: Neanderthal Museum.

48,000-Year-Old Fossils Hint at Neanderthal-Human Interbreeding

Feb 1, 2021 by News Staff

Several hominin teeth found the Paleolithic site of La Cotte de St Brelade in Jersey may belong to Neanderthal-Homo sapiens hybrids, according to new research...

Laham et al. show that mice form memories of their mother within days after birth and that these memories persist into adulthood. Image credit: Laham et al., doi: 10.1016/j.celrep.2020.108668.

Mice Form Memories of Their Mother within Three Days after Birth, Study Shows

Jan 28, 2021 by News Staff

Mouse pups recognize their caregiving mother and distinguish her from novel mothers as newborns and remember them after up to 100 days apart, according...

The first people to reach and disperse across the Americas did so in tandem with their dogs. Image credit: Ettore Mazza.

First People to Settle in Americas were Accompanied by Their Dogs

Jan 27, 2021 by News Staff

A new study, published in the Proceedings of the National Academy of Sciences, suggests that dogs were domesticated in Siberia by 23,000 years ago, possibly...

Increased subnetworks in absolute pitch musicians compared to non-musicians obtained in the whole-brain network-based statistic (NBS) analysis for resting-state functional connectivity (A) and diffusion weighted imaging (DWI)-based structural connectivity (B). Abbreviations: ACC - anterior cingulate cortex; AP - absolute pitch; aSMG - anterior supramarginal gyrus; aSTG - anterior superior temporal gyrus; cOp - central operculum; fOp - frontal operculum; FP - frontal pole; HG - Heschl’s gyrus; IFG, po - inferior frontal gyrus, pars opercularis; L - left; MTG - middle temporal gyrus; PCC - posterior cingulate cortex; postCG - postcentral gyrus; preCG - precentral gyrus; pSTG - superior temporal gyrus, posterior division; pOp - parietal operculum; PP - planum polare; PT - planum temporale; ptFG - posterior temporal fusiform gyrus; R - right; toFG - temporal occipital fusiform gyrus; TP - temporal pole. Image credit: Leipold et al., doi: 10.1523/JNEUROSCI.1985-20.2020.

Musicians, Regardless of Innate Pitch Ability, Have More Connected Brains than Non-Musicians: Study

Jan 26, 2021 by News Staff

A new study, published in the Journal of Neuroscience, suggests that long-term musical training is associated with robust changes in large-scale brain...

Blue jet: (a) the cloud-top altitude of the storm cell over the South Pacific on February 26, 2019, at 15:10 UTC, derived from the Japanese Himawari meteorological satellite data and from a radio sounding at Tarawa at a distance of approximately 700 km (435 miles); the green curve is the ISS orbit and the red marker its position at 15:10:05 UTC; the black curves identify the full field of view of the cameras projected to the Earth’s surface, and the white square is the cropped image, downloaded from the ISS and shown in (b); black markers are the lightning locations detected by the GLD360 network between 15:10:00 and 15:11:40 UTC; (b) the cropped, downlinked ASIM image (777.4 nm) of the cloud backlit by internal lightning; the source locations of the five blue flash events detected between 15:10:00 and 15:11:35 UTC are shown with colored markers, time progressing from red to yellow. The flash leading to a blue jet is event number 3. Image credit: Neubert et al., doi: 10.1038/s41586-020-03122-6.

Blue Jet Observed from International Space Station

Jan 26, 2021 by News Staff

Using the Atmosphere-Space Interactions Monitor (ASIM) observatory on the International Space Station (ISS), researchers have observed five intense blue...

Ingredients in oolong tea can stimulate fat oxidation. Image credit: Sci-News.com.

Drinking Oolong Tea May Help Reduce Body Fat

Jan 13, 2021 by Enrico de Lazaro

In a study published recently in the journal Nutrients, oolong tea and pure caffeine increased fat breakdown by about 20% in the healthy volunteers; oolong...

Cartoon illustration of the device design, where a thin hBN layer (blue) with selectively etched areas is used to avoid contact of the Pd electrodes (yellow) with the edges of the monolayer WTe2. The stack of graphite (gray)/hBN (blue)/monolayer WTe2 (red), shown in the cross-sectional view, is further stacked onto the bottom part with the electrodes, as indicated by the arrow. Inset: an image of device 1; the dashed red line highlights the monolayer edges and the white squares denote the contact regions. Image credit: Wang et al., doi: 10.1038/s41586-020-03084-9.

Physicists Observe Unexpected Quantum Phenomenon in Two-Dimensional Insulator

Jan 12, 2021 by News Staff

A team of physicists from the United States and Japan has experimentally observed a phenomenon called quantum oscillation in a two-dimensional topological...

2-Million-Year-Old Stone Tools Unearthed in Tanzania

Jan 11, 2021 by News Staff

An international team of archaeologists and paleoanthropologists has discovered a large collection of 2-million-year-old stone tools, fossilized bones...

Chen et al. established the world’s first integrated quantum communication network, combining over 700 optical fibers on the ground with two ground-to-satellite links to achieve quantum key distribution over a total distance of 4,600 km for users across China. Image credit: University of Science and Technology of China.

Chinese Scientists Create Integrated Quantum Communication Network

Jan 7, 2021 by News Staff

A team of researchers in China has demonstrated an integrated space-to-ground quantum communication network that combines a large-scale fiber network of...

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