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Scientists discover a previously unknown way cells break down proteins

Short-lived proteins control gene expression in cells to carry out a number of vital tasks, from helping the brain form connections to helping the body mount an immune defense. These proteins are made in the nucleus and are quickly destroyed once the.....»»

Category: topSource:  physorgAug 24th, 2023

Beyond CRISPR: seekRNA delivers a new pathway for accurate gene editing

Scientists at the University of Sydney have developed a gene-editing tool with greater accuracy and flexibility than the industry standard, CRISPR, which has revolutionized genetic engineering in medicine, agriculture and biotechnology......»»

Category: topSource:  physorgRelated News15 hr. 26 min. ago

Novel catalysts for improved methanol production using carbon dioxide dehydrogenation

Encapsulating copper nanoparticles within hydrophobic porous silicate crystals has been shown by scientists at Tokyo Tech to significantly enhance the catalytic activity of copper-zinc oxide catalysts used in methanol synthesis via CO2 hydrogenation......»»

Category: topSource:  physorgRelated News15 hr. 26 min. ago

Human activity: A double-edged sword in the face of drought

Earth and environmental scientists have reported that, as human socio-economic activities increase, greenhouse gas emissions will rise, leading to more frequent extreme weather events such as droughts and floods. However, a research team from Pohang.....»»

Category: topSource:  physorgRelated News15 hr. 26 min. ago

Many more bacteria produce greenhouse gases than previously thought, study finds

Caltech researchers have discovered a new class of enzymes that enable a myriad of bacteria to "breathe" nitrate when in low-oxygen conditions. While this is an evolutionary advantage for bacterial survival, the process produces the greenhouse gas ni.....»»

Category: topSource:  physorgRelated News15 hr. 26 min. ago

Study challenges popular idea that Easter islanders committed "ecocide"

Some 1,000 years ago, a small band of Polynesians sailed thousands of miles across the Pacific to settle one of the world's most isolated places—a small, previously uninhabited island they named Rapa Nui. There, they erected hundreds of "moai," or.....»»

Category: topSource:  physorgRelated News15 hr. 26 min. ago

Europe and Australia both back down on CSAM scanning that would break encryption

Both the EU and Australia have backed down on separate proposals to force tech companies to carry out CSAM scanning within messaging apps, which would have meant breaking end-to-end encryption. It’s the latest development in the ongoing battle b.....»»

Category: topSource:  theglobeandmailRelated News18 hr. 26 min. ago

Inspired by nature: Synthetic nightshade molecule effective against leukemia cells

Nightshade plants produce a diverse array of compounds with therapeutic potential. Researchers at CeMM have now identified an artificial variant inspired by the Withanolides group that acts highly specifically against leukemia cells......»»

Category: topSource:  physorgRelated News21 hr. 26 min. ago

Scientists solve the puzzle of directional hearing underwater

When underwater, humans cannot determine where a sound comes from. Sound travels about five times faster there than on land. That makes directional hearing, or sound localization, nearly impossible because the human brain determines the origin of a s.....»»

Category: topSource:  physorgRelated News21 hr. 26 min. ago

Science Is Full of Errors. Bounty Hunters Are Here to Find Them

A new project is paying researchers to find errors in other scientists’ work. The only problem? Even error hunters make mistakes......»»

Category: gadgetSource:  wiredRelated News21 hr. 58 min. ago

Scientists use heart and lung model to calculate potential health threats facing future space tourists in microgravity

Space exploration has always captivated our imagination, offering the promise of discovering new worlds and pushing the boundaries of human capability. As commercial space travel becomes more accessible, individuals with various underlying health con.....»»

Category: topSource:  physorgRelated NewsJun 21st, 2024

An efficient protein delivery system with spider minor ampullate silk protein nanoparticles

In a study published in the journal MedComm, researchers have developed an efficient protein delivery carrier based on spider silk proteins (spidroins), derived from Araneus ventricosus minor ampullate silk protein (MiSp). The MiSp-based nanoparticle.....»»

Category: topSource:  physorgRelated NewsJun 20th, 2024

New insights into how cell shape influences protein transport rates

When a cell spreads out or changes its shape to adapt to its environment, the transport rate of proteins between the nucleus and cytoplasm changes. Previously, scientists assumed this change was caused by a shift in the size of the nuclear envelope's.....»»

Category: topSource:  physorgRelated NewsJun 20th, 2024

Study finds plants store carbon for shorter periods than thought

The carbon stored globally by plants is shorter-lived and more vulnerable to climate change than previously thought, according to a new study......»»

Category: topSource:  physorgRelated NewsJun 20th, 2024

Spectroscopic technique that singles out water molecules lying on the surface reveals how they relax after being excited

A more complete picture of how excited water molecules at an interface with air lose their energy has been uncovered by RIKEN scientists in a study published in the journal Nature Communications. This finding will be valuable for better understanding.....»»

Category: topSource:  physorgRelated NewsJun 20th, 2024

Scientists discover surprising link between ancient biology and restricted human hair growth

University of Manchester scientists have linked one of the ways that cells respond to stressful conditions with restricted healthy hair growth......»»

Category: topSource:  physorgRelated NewsJun 20th, 2024

New photonic chip spawns nested topological frequency comb

Scientists on the hunt for compact and robust sources of multicolored laser light have generated the first topological frequency comb. Their result, which relies on a small silicon nitride chip patterned with hundreds of microscopic rings, appears in.....»»

Category: topSource:  physorgRelated NewsJun 20th, 2024

Why scientists are intrigued by air in NASA"s Mars sample tubes

Atmospheric scientists get a little more excited with every rock core NASA's Perseverance Mars rover seals in its titanium sample tubes, which are being gathered for eventual delivery to Earth as part of the Mars Sample Return campaign. Twenty-four h.....»»

Category: topSource:  physorgRelated NewsJun 20th, 2024

Citizen scientists gather eDNA in water samples for global biodiversity census

Kara Andres, a postdoctoral fellow with the Living Earth Collaborative at Washington University in St. Louis, collected samples of water from Simpson Lake, in Valley Park, Mo., as part of a coordinated global effort to use environmental DNA—genetic.....»»

Category: topSource:  physorgRelated NewsJun 20th, 2024

Researchers uncover enzyme communication mechanism that could aid drug development

A mechanism that could help scientists harness enzymes for use in drug discovery has been discovered in a research breakthrough at the University of Birmingham......»»

Category: topSource:  physorgRelated NewsJun 20th, 2024

Researchers discover Raja Ampat"s reef manta rays prefer staying close to home—which could help save more of them

The reef manta ray (Mobula alfredi) is a tough swimmer. They can travel hundreds of kilometers to feed themselves. The longest recorded movement for an individual reef manta ray was 1,150km, observed in eastern Australia......»»

Category: topSource:  physorgRelated NewsJun 20th, 2024