Other Sciences News

Pleistocene Humans Had Several Possible Routes of Dispersal across Asia, New Study Shows

Early farmers. Image credit: sjs.org / CC BY-SA 3.0.
May 29, 2019 by News Staff

New research demonstrates that Asian regions such as the Gobi Desert and the Altai Mountains could have periodically acted as corridors and routes for Late Pleistocene human dispersals and framing interactions between hominin populations. Ancient humans. Image credit: sjs.org / CC BY-SA 3.0. After leaving Africa, Homo sapiens dispersed across the Asian continent during the Late Pleistocene, but it isn’t known exactly what routes our species followed. Most...

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Chang & Kajackaite suggest that gender-mixed workplaces may be able to increase productivity by setting the thermostat higher than current standards. Image credit: Rawpixel.

Study: Working in Warmer Temperatures Improves Women’s Cognitive Performance and Productivity

May 29, 2019 by News Staff

In a study published in the journal PLoS ONE, a team of researchers from the United States and Germany found that women performed better on math and verbal...

Dr. Blättler with a vial of 20,000-year-old seawater. Image credit: Jean Lachat.

20,000-Year-Old Seawater Found Trapped in Limestone from Maldives

May 28, 2019 by News Staff

A team of researchers from Princeton University and Universities of Miami and Chicago has found drops of ancient seawater in the sediment cores from the...

Anatomically modern humans cooked and ate plant starches, such as those from tubers and rhizomes, as early as 120,000 years ago.

Early Modern Humans Cooked and Ate Starchy Food

May 23, 2019 by News Staff

An international team of researchers has found numerous fragments of charred starch plant tissues in 120,000-year-old hearths at the archaeological site...

Hegde et al, feeding rats coffee and also mixing it with gut bacteria in Petri dishes, found that coffee suppressed bacteria and increased muscle motility. Image credit: Free Photos.

Coffee Suppresses Gut Microbiome, Improves Ability of Intestine to Contract: Study

May 21, 2019 by News Staff

New experiments, performed in vitro on bacterial cultures and in vivo in rats, show that coffee — regardless of caffeine content — inhibits...

Farmer et al used genetic techniques to make glowing brain cells or rendered them sensitive to laser light to alter their activity; these brain cells are now thought to coordinate activity across the cardiovascular system. Image credit: Farmer et al, doi: 10.1113/JP277661.

Researchers Find Blood Flow Command Center in Brain

May 20, 2019 by News Staff

A research team led by Florey Institute of Neuroscience & Mental Health and Macquarie University scientists has discovered a group of cells in the...

Prototype of the cooling and heating patch embedded in a mesh armband. Image credit: David Baillot / Jacobs School of Engineering, University of California, San Diego.

Researchers Develop Wearable Cooling and Heating Patch

May 20, 2019 by News Staff

A team of researchers at the University of California, San Diego, has designed and demonstrated a wearable patch with long-term, energy-efficient cooling...

Sima de los Huesos hominins lived in what is now Spain about 400,000 years ago. Image credit: © Kennis & Kennis / Madrid Scientific Films.

Study: Last Common Ancestor of Neanderthals and Modern Humans Lived 800,000 Years Ago

May 16, 2019 by News Staff

A new study that analyzed dental evolutionary rates in early Neanderthals from Sima de los Huesos, a cave site in Atapuerca Mountains, Spain, found that...

Eating 200 g of blueberries every day for a month can lead to an improvement in blood vessel function and a decrease in systolic blood pressure in healthy people. Image credit: Free-Photos.

Blueberry Anthocyanins May Reduce Blood Pressure

May 16, 2019 by News Staff

Compounds in blueberries may help to improve blood vessel function and reduce systolic blood pressure, according to a new study published in the Journals...

The Voynich manuscript, folio 67r. Image credit: Beinecke Library, Yale University.

Has Voynich Manuscript Been Decoded? Mysterious Book May Be Written in Proto-Romance Language

May 15, 2019 by News Staff

The Voynich manuscript, sometimes described as the ‘world’s most mysterious text,’ may be written in proto-Romance, a language that arose from a...

Regular coffee consumers can sniff out even small amounts of coffee and are faster at recognizing the aroma. Image credit: StockSnap.

Regular Coffee Drinkers Have Higher Sensitivity to Coffee Odor, Study Says

May 15, 2019 by News Staff

In a study published in the journal Experimental and Clinical Psychopharmacology, a team of researchers found that habitual coffee consumers were more...

TiO2 triggers biofilm formation by commensal bacteria: (A, B) the clustering effect of TiO2 on (A) E. coli and (B) E. faecalis in vitro was visualized by Nanolive imaging in the presence of 0, 0.5, 1, or 50 μg/ml TiO2 after 24 h incubation. False-coloring was applied to images based on refractive index, where black represents the refractive index of TiO2 and green represents bacteria. Image credit: Pinget et al, doi: 10.3389/fnut.2019.00057.

Food Additive E171 May Impact Human Health

May 15, 2019 by News Staff

E171, a mixture of micro- and nano-sized particles of titanium dioxide (TiO2), is commonly used in high quantities in foods and some medicines as a whitening...

Replacing saturated fatty acids with 57 to 99 g/day of walnuts for 6 weeks reduced central diastolic blood pressure compared with a diet similarly low in saturated fatty acids but with lower alpha-linolenic acid content. Image credit: He Lee.

Walnuts May Help Improve Central Blood Pressure in People at Risk for Cardiovascular Disease

May 14, 2019 by News Staff

Walnuts are a rich source of polyunsaturated fatty acids, including alpha-linolenic acid and the linoleic acid, and contain a proportionally greater quantity...

eNPoMs (electrochromic nanoparticle-on-mirror constructs) formed from gold nanoparticles encapsulated in a conductive polymer shell. Image credit: Hyeon-Ho Jeong & Jialong Peng / NanoPhotonics Cambridge.

Gold Nanoparticles Used to Create Smallest Ever Pixels

May 13, 2019 by News Staff

Nanopixels created by University of Cambridge researchers are a million times smaller than those in smartphone screens. The team’s work was published...

Portrait of Leonardo da Vinci, unknown date (16th century), Giovan Ambrogio Figino, red chalk or sanguine drawing. Image credit: Museum of Gallerie dell’Accademia, Venice, Italy / Ministero dei Beni e delle Attivita’ Culturali e del Turismo.

Leonardo da Vinci Suffered from Ulnar Neuropathy, Study Says

May 7, 2019 by News Staff

Leonardo da Vinci suffered a disease in his late career that affected his ability to hold palettes and brushes to paint with his right hand; although this...

The normal form of amyloid beta has been tagged with a yellow marker in these cells, making healthy cells a uniform pale yellow (left). Contact with prion forms of amyloid beta -- for example in extracts from human brain tissue -- forces these yellow proteins into the sticky prion form as well, leading to the formation of bright yellow clumps (right). Image credit: Prusiner Lab / UCSF Institute for Neurodegenerative Diseases.

Alzheimer’s Amyloid-Beta and Tau Proteins Act as Prions, New Research Finds

May 7, 2019 by News Staff

Prions are misfolded versions of a protein that can spread like an infection by forcing normal copies of that protein into the same self-propagating, misfolded...

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

160,000-Year-Old Denisovan Jawbone Discovered in Tibetan Cave

May 2, 2019 by Enrico de Lazaro

In 1980, a Buddhist monk found the right half a fossilized hominin jawbone in Baishiya Karst Cave on the Tibetan Plateau, Xiahe, China. An analysis of...

A carrier bag labeled as biodegradable after three years in the marine environment. Image credit: Napper & Thompson, doi: 10.1021/acs.est.8b06984.

Biodegradable Bags Survive 3 Years in Soil and Marine Environment

Apr 30, 2019 by News Staff

According to a new study, published in the journal Environmental Science and Technology, biodegradable plastic bags are capable of carrying full loads...

Propionates are potent inhibitors of molds that are widely used as a food preservative.

Propionate Consumption Increases Levels of Obesity- and Diabetes-Associated Hormones

Apr 30, 2019 by News Staff

Propionates, salts of a short-chain fatty acid called propionic acid, are widely used in baked goods, animal feeds and artificial flavorings. Although...

STEVE: Researchers Identify Mechanisms that Cause Rare Atmospheric Phenomenon

Apr 29, 2019 by News Staff

STEVE (Strong Thermal Emission Velocity Enhancement) is a thin ribbon of pinkish-red or mauve-colored light stretching from east to west, farther south...

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