Other Sciences News

Apis mellifera ligustica. Image credit: Scaccabarozzi et al., doi: 10.1371/journal.pone.0253838.

Angry Bees Produce Richer, More Protein-Dense Venom, Study Finds

Aug 16, 2021 by News Staff

Chemists have analyzed protein diversity in venom produced by Apis mellifera ligustica in the marri (Corymbia calophylla) ecosystem in southern-western...

Philippine Ayta Magbukon People Have Highest Amount of Denisovan DNA in the World

Aug 12, 2021 by News Staff

New research led by Uppsala University scientists suggests that there were multiple archaic human species that inhabited the Philippines prior to the arrival...

Kennedy et al. found that fetal gut colonization of healthy term infants does not occur before birth. Image credit: Darryl Leja, National Human Genome Research Institute, National Institutes of Health.

Fasting Can Protect from Intestinal Bacterial Infections, Study Suggests

Aug 10, 2021 by News Staff

Fasting before and during exposure to invasive food-borne bacteria protects mice from developing a full-blown gastrointestinal infection, in part through...

Si.427, obverse. Image credit: İstanbul Arkeoloji Müzeleri / D.F. Mansfield, doi: 10.1007/s10699-021-09806-0.

3,700-Year-Old Babylonian Clay Tablet is Earliest Known Example of Applied Geometry

Aug 5, 2021 by News Staff

Known as Si.427, the ancient clay tablet was discovered and cataloged along with many other tablets by the 1894 French archaeological expedition at Sippar...

Exercise training rewires the enhancers in regions of our DNA that are known to be associated with the risk to develop disease. Image credit: Sasin Tipchai.

Study: Physical Exercise Improves Health of Brain and Other Organs through Epigenetic Changes

Aug 4, 2021 by News Staff

Some sections of our DNA are genes, which are instructions for building proteins, while other sections — called enhancers — regulate which...

Reconstruction of the West Antarctic mid-Cretaceous temperate rainforest. The painting is based on paleofloral and environmental information inferred from palynological, geochemical, sedimentological and organic biomarker data obtained from cores at the site of PS104_20-2, Antarctica. Image credit: J. McKay / Alfred-Wegener-Institut / CC-BY 4.0.

Decline in Atmospheric Carbon Dioxide Caused Eocene-Oligocene Cooling, Study Says

Aug 3, 2021 by News Staff

New research shows that mean annual temperatures in southeast Australia gradually declined from 27 degrees Celsius during the Middle Eocene epoch to...

A pure NaK drop exposed to water vapor in vacuum. Image credit: Mason et al., doi: 10.1038/s41586-021-03646-5.

Scientists Create Metallic Water Solution

Jul 30, 2021 by News Staff

Insulating materials can in principle be made metallic by applying pressure. In the case of pure water, this is estimated to require a pressure of 48 Mbars...

Condemi et al. analyzed the blood types of Neanderthals and Denisovans by looking at their DNA. Image credit: CNRS.

Researchers Decipher Blood Groups of Neanderthals and Denisovans

Jul 30, 2021 by Enrico de Lazaro

An analysis of the high-quality nuclear genomes previously published from three Neanderthals and one Denisovan shows that these extinct hominins were polymorphic...

The 65,000-year-old leaf point from Hohle Fels Cave, Germany. Image credit: University of Tübingen.

Neanderthals Hunted with Leaf-Shaped Spears, Archaeologists Say

Jul 28, 2021 by News Staff

Archaeologists say they have found a 65,000-year-old leaf point in a cave in the Swabian Jura, Germany. The 65,000-year-old leaf point from Hohle Fels...

Silicon(IV) with a square-planar configuration represents a transition state. Image credit: Ebner & Greb, doi: 10.1016/j.chempr.2021.05.002.

Researchers Synthesize Square-Planar Silicon-IV

Jul 27, 2021 by News Staff

A duo of chemists from the Institute of Inorganic Chemistry at the University of Heidelberg has synthesized and characterized the first species of silicon(IV)...

Pham et al. examined whether habitual coffee consumption is associated with differences in brain volumes or the odds of dementia or stroke. Image credit: Sci-News.com.

Excessive Coffee Consumption is Associated with Smaller Brain Volumes, Increased Odds of Dementia

Jul 23, 2021 by News Staff

Coffee is a highly popular beverage worldwide, containing caffeine which is a central nervous system stimulant. In a study of 398,646 UK Biobank participants,...

Continuous monitoring of hydrogen sulfide in human breath for early stage diagnosis of halitosis is of great significance for prevention of dental diseases. Image credit: Shin et al., doi: 10.1021/acsnano.1c01350.

Newly-Developed Portable Device Can Rapidly Detect Bad Breath

Jul 22, 2021 by News Staff

An international team of researchers from Korea and the United States has constructed a tiny portable device that directly detects hydrogen sulfide (H2S)...

Kim et al. found no evidence that moderate coffee consumption can cause arrhythmia. Image credit: Sci-News.com.

Researchers Find No Link between Habitual Coffee Consumption and Arrhythmia

Jul 21, 2021 by News Staff

In a large, prospective, population-based community cohort study of 386,258 coffee drinkers, greater amounts of habitual coffee consumption were inversely...

Tyler et al. saw dramatic differences in adaptation to the one hour DST time shift between individuals genetically predisposed to a morning versus evening circadian inclination. Image credit: Gerd Altmann.

DNA Plays Role in How Much Daylight Saving Time Change Affects Us, Study Says

Jul 21, 2021 by News Staff

According to a new paper published this week in the journal Scientific Reports, people whose genetic profile makes them more likely to be ‘early birds’...

Chen et al. report the observation of room-temperature ferromagnetism in 2D graphitic Zn1-xCoxO (gZCO) monolayer with strong environmental stability; red, blue, and yellow spheres represent cobalt, oxygen, and zinc atoms. respectively. Image credit: Lawrence Berkeley National Laboratory.

World’s Thinnest Magnet Created

Jul 20, 2021 by News Staff

The one-atom thin 2D magnet, created by Dr. Jie Yao from the University of California, Berkeley, and the Lawrence Berkeley National Laboratory, and his...

Reuter et al. found that high doses of caffeine (800 mg) consumed over a six-hour period almost doubled the amount of calcium lost in the urine. Image credit: Sci-News.com.

Excessive Caffeine Consumption May Increase Risk of Osteoporosis

Jul 20, 2021 by Enrico de Lazaro

In a double-blind clinical study, researchers examined the impact of high-dose, short-term caffeine intake on renal clearance of calcium, sodium and creatinine...

This is an artist’s impression of Çatalhöyük. Image credit: Dan Lewandowski.

New Research Sheds Light on Foodways and Plant Processing at Neolithic Çatalhöyük

Jul 19, 2021 by News Staff

Archaeologists have analyzed a rich microbotanical assemblage from Çatalhöyük, a renowned archaeological site in central Anatolia, Turkey, best known...

The structure of the superlattice material Bi4O4SeCl2. Image credit: University of Liverpool.

Newly-Developed Material Has Extremely Low Thermal Conductivity

Jul 16, 2021 by News Staff

The new superlattice material, Bi4O4SeCl2, developed by a team of scientists from the United Kingdom and France, combines two different arrangements of...

Antibiotic exposure early in life could alter human brain development in areas responsible for cognitive and emotional functions. Image credit: Arek Socha.

Early-Life Penicillin Could Lead to Brain Disorders, New Study Suggests

Jul 15, 2021 by News Staff

Penicillin in early life changes microbiome and gene expression, which allows cells to respond to its changing environment, in key areas of the developing...