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New evidence links gut bacteria and neurodegenerative conditions

A new study establishes a link between specific bacteria species and physical manifestations of neurodegenerative diseases......»»

Category: biomedSource:  sciencedailyMay 7th, 2021

New web tool fights antibacterial resistance

In 1943, two scientists named Max Delbrück and Salvador Luria conducted an experiment to show that bacteria can mutate randomly, independent of external stimulus, such as an antibiotic that threatens a bacterial cells' survival. Today the Luria-Delb.....»»

Category: topSource:  physorgRelated News12 hr. 6 min. ago

Plants use a blend of external influences to evolve defense mechanisms

Plants evolve specialized defense chemicals through the combined effects of genes, geography, demography and environmental conditions, a study published today in eLife reports......»»

Category: topSource:  physorgRelated News14 hr. 6 min. ago

Fuel flow, heat fluctuations drive dangerous oscillations in rocket engines

Combustion engines can develop high frequency oscillations, leading to structural damage to the engines and unsafe operating conditions. A detailed understanding of the physical mechanism that causes these oscillations is required but has been lackin.....»»

Category: topSource:  physorgRelated News16 hr. 34 min. ago

Making a meal of DNA in the seafloor

While best known as the code for genetic information, DNA is also a nutrient for specialized microbes. An international team of researchers led by Kenneth Wasmund and Alexander Loy from the University of Vienna has discovered several bacteria in sedi.....»»

Category: topSource:  physorgRelated News16 hr. 34 min. ago

Use of PFAS in cosmetics "widespread," new study finds

Many cosmetics sold in the United States and Canada likely contain high levels of per- and polyfluoroalkyl substances (PFAS), a potentially toxic class of chemicals linked to a number of serious health conditions, according to new research from the U.....»»

Category: topSource:  physorgRelated News20 hr. 6 min. ago

Climate conditions during the migration of Homo sapiens out of Africa reconstructed

An international research team led by Professor Dr. Frank Schäbitz has published a climate reconstruction of the last 200,000 years for Ethiopia. This means that high-resolution data are now available for the period when early Homo sapiens, our ance.....»»

Category: topSource:  physorgRelated NewsJun 14th, 2021

Early migrations of Siberians to America tracked using bacterial population structures

Early migrations of humans to the Americas from Siberia around 12,000 years ago have been traced using the bacteria they carried by an international team including scientists at the University of Warwick......»»

Category: topSource:  physorgRelated NewsJun 14th, 2021

Into the belly of the bee: A closer look at bees" gut microbes

Environmental bacteria and fungi that end up in the belly of honeybees may be essential to their survival in a changing world as bee populations dwindle due to pesticides, poor nutrition, habitat destruction and declining genetic diversity......»»

Category: topSource:  physorgRelated NewsJun 14th, 2021

How regional climate variability affects animals in North American drylands

As the visual evidence of climate change continues to shine a glaring light on a huge problem around the globe, scientists studying at several National Science Foundation (NSF) Long Term Ecological Research (LTER) sites are tackling the issue in part.....»»

Category: topSource:  physorgRelated NewsJun 11th, 2021

North Atlantic currents may not be linked to Meridional Overturning Circulation

A new international study has cast doubts on the view that variations in the density of some of the deepest currents of the subpolar North Atlantic Ocean are caused by winter surface conditions and represent changes in the strength of the Meridional.....»»

Category: topSource:  physorgRelated NewsJun 11th, 2021

Evolutionary secrets of the gut microbiome

How does our gut respond and adapt to changing conditions? Where does this fundamental and critical flexibility come from? Technion scientists are unraveling the genius of the gut's microbiome, through microbiota, all the way to genetic inversion......»»

Category: topSource:  physorgRelated NewsJun 11th, 2021

Warmer temperatures lessen COVID-19 spread, but control measures still needed, study finds

New research shows transmission of the virus behind COVID-19 varies seasonally, but warmer conditions are not enough to prevent transmission......»»

Category: biomedSource:  sciencedailyRelated NewsJun 10th, 2021

Study on plant roots challenges nature of ecological trade-offs

The specific traits of a plant's roots determine the climatic conditions under which a particular plant prevails. A new study led by the University of Wyoming sheds light on this relationship—and challenges the nature of ecological trade-offs......»»

Category: topSource:  physorgRelated NewsJun 10th, 2021

Study shows how permafrost releases methane in the warming Arctic

Researchers from Skoltech have designed and conducted experiments measuring gas permeability under various conditions for ice-containing sediments mimicking permafrost. Their results can be useful both in modeling and testing techniques for gas produ.....»»

Category: topSource:  physorgRelated NewsJun 10th, 2021

How cells measure themselves

Ever since scientists discovered cells under the microscope more than 350 years ago, they have noted that each type of cell has a characteristic size. From tiny bacteria to inches-long neurons, size matters for how cells work. The question of how the.....»»

Category: topSource:  physorgRelated NewsJun 10th, 2021

Hydrogen sulfide critical to innate ability of bacteria to survive antibiotics

The signaling molecule hydrogen sulfide (H2S) plays a critical role in antibiotic tolerance, the innate ability of bacteria to survive normally lethal levels of antibiotics, a new study finds......»»

Category: topSource:  physorgRelated NewsJun 10th, 2021

Bacteria serves tasty solution to global plastic crisis

Researchers have discovered that the common bacteria E. coli can be deployed as a sustainable way to convert post-consumer plastic into vanillin, a new study reveals......»»

Category: topSource:  physorgRelated NewsJun 10th, 2021

Here"s what scientists learn from studying dangerous pathogens in secure labs

There are about 1,400 known human pathogens—viruses, bacteria, fungi, protozoa and helminths that can cause a person's injury or death. But in a world with a trillion individual species of microorganisms, where scientists have counted only one one-.....»»

Category: topSource:  physorgRelated NewsJun 10th, 2021

"Miraculous" Mosquito Hack Cuts Dengue By 77%

Dengue fever cases have been cut by 77% in a "groundbreaking" trial that manipulates the mosquitoes that spread it, say scientists. The BBC reports: They used mosquitoes infected with "miraculous" bacteria that reduce the insect's ability to spread d.....»»

Category: topSource:  slashdotRelated NewsJun 10th, 2021

New South African partnership gets $3M, launches telehealth product

For the early detection and treatment of health conditions, easy access to primary healthcare is crucial. Primary healthcare is best delivered by teams of primary care clinicians coordinating care between them. However, ubiquitous access to such care.....»»

Category: gadgetSource:  techcrunchRelated NewsJun 10th, 2021