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Scientists convert bacteria into efficient cellulose producers

Bacteria produce materials that are of interest to humans, such as cellulose, silk and minerals. The advantage of producing bacteria in this way is that it is sustainable, takes place at room temperature and in water. A disadvantage is that the proce.....»»

Category: topSource:  physorgJul 30th, 2024

Potentially harmful bacteria can slip through antimicrobial showerheads, study finds

To guard against harmful waterborne pathogens, many consumers, including managers of health-care facilities, install antimicrobial silver-containing showerheads. But in ACS ES&T Water, researchers now report that these fixtures are no "silver bullet......»»

Category: topSource:  physorgRelated News2 hr. 27 min. ago

Uncovering a centaur"s tracks: Scientists examine unique asteroid-comet hybrid

Although our solar system is billions of years old, we've only recently become better acquainted with one of its more dynamic and captivating inhabitants known as (2060) Chiron......»»

Category: topSource:  physorgRelated News2 hr. 27 min. ago

Scientists provide insights into photosystem II under low-light conditions

In higher plants and green algae, photosystem II (PSII) usually combines with light harvesting complex II (LHCII) to form the PSII-LHCII supercomplex. Under low-light conditions, the PSII-LHCII supercomplexes are organized laterally into higher-order.....»»

Category: topSource:  physorgRelated News3 hr. 27 min. ago

Melting sea ice in Antarctica causes ocean storms, scientists say

The record-breaking retreat of Antarctic sea ice in 2023 has led to more frequent storms over newly exposed parts of the Southern Ocean, according to a study published Wednesday......»»

Category: topSource:  physorgRelated News3 hr. 55 min. ago

How bad will it get? Political scientists have a pessimism bias, study finds

The past decade has seen historic challenges for U.S. democracy and an intense focus by scholars on events that seem to signal democratic decline. But new research released Dec. 17 finds that a bias toward pessimism among U.S. political scientists of.....»»

Category: topSource:  physorgRelated News3 hr. 55 min. ago

Ice is melting, seas are rising—how scientists are tracking the changes

Will the sea rise by 20 cm or 3 meters by 2100? This is obviously an interesting question to answer. Predicting the sea level in 75 years requires precise calculations and correct models of the melting of the ice from, e.g., Greenland. To do so, rese.....»»

Category: topSource:  pcmagRelated News4 hr. 27 min. ago

Scientists witness evolution in action when two lizard species meet for the first time

In South Florida, two Caribbean lizard species met for the first time. What followed provided some of the clearest evidence to date of evolution in action......»»

Category: topSource:  pcmagRelated News4 hr. 27 min. ago

Research reveals how bad bacteria trigger painful gut contractions

After a meal of questionable seafood or a few sips of contaminated water, bad bacteria can send your digestive tract into overdrive. Your intestines spasm and contract, efficiently expelling everything in the gut—poop and bacteria alike......»»

Category: topSource:  pcmagRelated News4 hr. 27 min. ago

Ancient clay remedy may have potential to boost modern gut health

A team of scientists has discovered that an ancient medicinal clay known as Lemnian earth (LE) could inspire new understanding of how to support present-day gut health......»»

Category: topSource:  pcmagRelated News4 hr. 27 min. ago

Climate change made Cyclone Chido stronger: Scientists

Climate change intensified Cyclone Chido as it barreled toward the Indian Ocean archipelago of Mayotte, said a preliminary study by scientists studying the link between global warming and tropical storms......»»

Category: topSource:  pcmagRelated News4 hr. 27 min. ago

Building a backbone: Scientists recreate the body"s "GPS system" in the lab

Scientists at the Francis Crick Institute have generated human stem cell models which, for the first time, contain notochord—a tissue in the developing embryo that acts like a navigation system, directing cells where to build the spine and nervous.....»»

Category: topSource:  pcmagRelated News4 hr. 27 min. ago

Dormant massive black hole in the early universe challenges existing models

Scientists have spotted a massive black hole in the early universe that is "napping" after stuffing itself with too much food. Like a bear gorging itself on salmon before hibernating for the winter, or a much-needed nap after Christmas dinner, this b.....»»

Category: topSource:  pcmagRelated News4 hr. 27 min. ago

Thin-film tech makes nuclear clocks a 1,000 times less radioactive and more affordable

In the quest for ultra-precise timekeeping, scientists have turned to nuclear clocks. Unlike optical atomic clocks—which rely on electronic transitions—nuclear clocks utilize the energy transitions in the atom's nucleus, which are less affected b.....»»

Category: topSource:  pcmagRelated News4 hr. 27 min. ago

Young exoplanet"s atmosphere unexpectedly differs from its birthplace

Just as some children physically resemble their parents, many scientists have long thought that developing planets should resemble the swirling disk of gas and dust that births them......»»

Category: topSource:  informationweekRelated News11 hr. 55 min. ago

Brain cells mature faster in space but stay healthy: ISS study

Microgravity is known to alter the muscles, bones, the immune system and cognition, but little is known about its specific impact on the brain. To discover how brain cells respond to microgravity, Scripps Research scientists, in collaboration with th.....»»

Category: topSource:  theglobeandmailRelated News22 hr. 27 min. ago

Low glycemic index rice seen as promising solution to mitigate Asia"s diabetes crisis

A new paper recently published by scientists explores the potential of low glycemic index (Low GI) rice to combat the growing diabetes epidemic, particularly in Asia......»»

Category: topSource:  theglobeandmailRelated News22 hr. 27 min. ago

A history of bacteria domestication: Researchers investigate genetic and phenotypic characteristics of Swiss cheeses

The domestication of livestock and plants marked an important stage in the settlement of human populations in the Neolithic period, as they moved from a hunter-gatherer lifestyle to a subsistence model based on animal husbandry and agriculture. Becau.....»»

Category: topSource:  physorgRelated NewsDec 17th, 2024

Study maps bed bugs" genomes in unprecedented detail to find out why they just won"t die

Scientists mapped near-gap-free and near-error-free genomes of a susceptible bed bug strain and a superstrain around 20,000 times more insecticide-resistant, offering the broadest look yet at the full scope of their resistance mutations......»»

Category: topSource:  physorgRelated NewsDec 17th, 2024

Antarctica"s tipping points threaten global climate stability

Antarctica is approaching a series of cascading tipping points that could reshape ecosystems and intensify global climate disruptions, according to a new study by an international team of scientists, including researchers from the University of Tasma.....»»

Category: topSource:  physorgRelated NewsDec 17th, 2024

Boltz-1: Fully open-source model rivals AlphaFold3 for predicting biomolecular structures

MIT scientists have released a powerful, open-source AI model called Boltz-1 that could significantly accelerate biomedical research and drug development. The paper is available on the bioRxiv preprint server......»»

Category: topSource:  physorgRelated NewsDec 17th, 2024