Other Sciences News

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...

Rapanui people. Image credit: © Santiago Caruso.

Pre-Contact Easter Island Society Didn’t Experience Ecologically-Induced Collapse, Study Suggests

Jul 14, 2021 by News Staff

Easter Island (Rapa Nui in the native language), a small volcanic island in southeastern Polynesia, has long been the focus of debate regarding the impact...

An artist’s impression of the Hadean Earth: huge, impact-generated lava lakes coexisted with surface liquid water, under a thick greenhouse atmosphere sustained by lava outgassing. Image credit: Simone Marchi & Dan Durda, Southwest Research Institute.

Earth’s Early Bombardment May Have Been Heavier than Previously Thought

Jul 9, 2021 by News Staff

Once the Earth was fully formed about 4.5 billion years ago, its subsequent evolution was governed by complex geophysical processes. The planet, however,...

Khan et al. performed a meta-analysis of 38 randomized controlled trials of omega-3 fatty acids, stratified by EPA monotherapy and EPA+DHA therapy. Image credit: Sci-News.com.

Omega-3 Fatty Acids Improve Cardiovascular Outcomes, Review Says

Jul 8, 2021 by Enrico de Lazaro

In a systematic review and meta-analysis of 38 randomized controlled trials comprising 149,051 participants, omega-3 fatty acids — such as eicosapentaenoic...

An artist’s impression of a ‘Snowball Earth.’ Image credit: NASA.

Changes in Our Planet’s Orbit May Have Allowed Life to Survive during ‘Snowball Earth’ Glaciations

Jul 8, 2021 by News Staff

A team of researchers led by Chinese Academy of Sciences’ Professor Ross Mitchell has studied a succession of rocks laid down when most of Earth’s...

An area (red-yellow) in the brain’s temporal pole specializes in familiar face recognition. Image credit: Sofia Landi.

New Class of Neurons Discovered

Jul 2, 2021 by News Staff

The question of how the human brain recognizes the faces of familiar individuals has been important throughout the history of neuroscience. Cells linking...

In healthy eyes, photopic visual acuity improved significantly after cocoa flavanols ingestion and showed a non-significant trend to an improvement with red-berries anthocyanins. Image credit: Sci-News.com.

Study: Eating Pure Cocoa Improves Visual Acuity in Daylight

Jun 29, 2021 by Natali Anderson

A duo of researchers in Spain has examined the acute effect of compounds found in cocoa and red berries on retinal functions in healthy eyes. In healthy...

A reconstruction of Homo longi in his habitat. Image credit: Chuang Zhao.

146,000-Year-Old Archaic Human Cranium Represents New Species: Homo longi

Jun 28, 2021 by News Staff

Homo longi is phylogenetically closer to Homo sapiens than to Neanderthals or other archaic humans, according to new research described in The Innovation. A...

The fossilized remains of the Nesher Ramla hominin. Image credit: Tel Aviv University.

Nesher Ramla Hominin: Previously Unknown Type of Homo Discovered

Jun 25, 2021 by News Staff

The Nesher Ramla hominins lived between 420,000 and 120,000 years ago in the Middle East and had a distinctive combination of Neanderthal (especially the...