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What is a protein? A biologist explains

Editor's note: Nathan Ahlgren is a professor of biology at Clark University. In this interview, he explains exactly what proteins are, how they are made, and the wide variety of functions they perform in the human body......»»

Category: topSource:  physorgJan 13th, 2021

Synthesis of potent antibiotic follows unusual chemical pathway

Images of a protein involved in creating a potent antibiotic reveal the unusual first steps of the antibiotic's synthesis. The improved understanding of the chemistry behind this process, detailed in a new study led by Penn State chemists, could allo.....»»

Category: topSource:  physorgRelated NewsJan 18th, 2021

How insects activate muscles to adapt to limbs removed

Adaptability explains why insects spread so widely and why they are the most abundant animal group on earth. Insects exhibit resilient and flexible locomotion, even with drastic changes in their body structure such as losing a limb......»»

Category: topSource:  physorgRelated NewsJan 14th, 2021

Scientists model protein behavior of archaeal viruses to crack protein folding mystery

Scientists from the Pacific Quantum Center of Far Eastern Federal University (FEFU) report that the slipknot-structure AFV3-109 protein folds and unfolds depending on temperature. The protein is typical for the archaea, viruses of the oldest single-c.....»»

Category: topSource:  physorgRelated NewsJan 13th, 2021

What is a protein? A biologist explains

Editor's note: Nathan Ahlgren is a professor of biology at Clark University. In this interview, he explains exactly what proteins are, how they are made, and the wide variety of functions they perform in the human body......»»

Category: topSource:  physorgRelated NewsJan 13th, 2021

Mathematics explains how giant whirlpools form in developing egg cells

Egg cells are among the largest cells in the animal kingdom. If moved only by the random jostlings of water molecules, a protein could take hours or even days to drift from one side of a forming egg cell to the other. Luckily, nature has developed a.....»»

Category: topSource:  physorgRelated NewsJan 13th, 2021

Gainful raises $7.5M for personalized sports nutrition

Gainful, a startup offering personalized subscriptions to protein powders and hydration products, is announcing that it has raised $7.5 million in Series A funding. COO Eric Wu, who founded the company with CTO Jahaan Ansari, told me that Gainful beg.....»»

Category: topSource:  techcrunchRelated NewsJan 13th, 2021

The odd structure of ORF8: Mapping the coronavirus protein linked to disease severity

A team of HIV researchers, cellular biologists, and biophysicists who banded together to support COVID-19 science determined the atomic structure of a coronavirus protein thought to help the pathogen evade and dampen response from human immune cells......»»

Category: topSource:  physorgRelated NewsJan 12th, 2021

Intel explains why its 11th-gen Rocket Lake desktop chips are stuck at 8 cores

Intel's upcoming Rocket Lake desktop chips are still stuck on 14nm, but they will also receive a reduction in core count from 10 to eight......»»

Category: topSource:  digitaltrendsRelated NewsJan 11th, 2021

The "Shared Psychosis" of Donald Trump and His Loyalists

Forensic psychiatrist Bandy X. Lee explains the outgoing president’s pathological appeal and how to wean people from it -- Read more on ScientificAmerican.com.....»»

Category: scienceSource:  sciamRelated NewsJan 11th, 2021

Cracking the code of a shapeshifting protein

A shapeshifting immune system protein called XCL1 evolved from a single-shape ancestor hundreds of millions of years ago. Now, researchers at the Medical College of Wisconsin (MCW) discovered the molecular basis for how this happened. In the process.....»»

Category: topSource:  physorgRelated NewsJan 11th, 2021

Extreme weather from the stratosphere

ETH climate researcher Daniela Domeisen has documented how the stratosphere influences extreme weather events. What surprised her was the sheer range of potential impacts. She explains what this means for climate research and long-term weather foreca.....»»

Category: topSource:  pcmagRelated NewsJan 11th, 2021

Rediscovering RISC-V: Apple M1 Sparks Renewed Interest in Non-x86 Architecture

"With the runaway success of the new ARM-based M1 Macs, non-x86 architectures are getting their closeup," explains a new article at ZDNet. "RISC-V is getting the most attention from system designers looking to horn-in on Apple's recipe for high perf.....»»

Category: topSource:  slashdotRelated NewsJan 11th, 2021

The Case Against Section 230: "The 1996 Law That Ruined the Internet"

Writing in the Atlantic, programmer/economics commentator Steve Randy Waldman explains "Why I changed my mind" about the Communication Decency Act's Section 230: In the United States, you are free to speak, but you are not free of responsibility for.....»»

Category: topSource:  slashdotRelated NewsJan 9th, 2021

Dog Domestication May Have Begun Because Paleo Humans Couldn"t Stomach the Original Paleo Diet

A new theory described today in Scientific Reports posits that hunter-gatherers whose omnivorous digestive system prevented too much protein consumption likely shared surplus meat with wolves. Those scraps may have initiated a step toward domesticati.....»»

Category: topSource:  slashdotRelated NewsJan 9th, 2021

Dog Domestication May Have Begun because Paleo Humans Couldn"t Stomach the Original Paleo Diet

Unable to digest large amounts of protein, hunters likely left scraps that could have led to the taming of wolves -- Read more on ScientificAmerican.com.....»»

Category: scienceSource:  sciamRelated NewsJan 8th, 2021

High-speed atomic force microscopy visualizes cell protein factories

Ribosomes are the complexes of ribonucleoproteins at the heart of protein synthesis in cells. However, in the absence of conclusive evidence, how these complexes operate has been open to debate. Now, Hirotatsu Imai and Noriyuki Kodera at Kanazawa Uni.....»»

Category: topSource:  theglobeandmailRelated NewsJan 8th, 2021

Keeping sperm cells on track

An essential component of every eukaryotic cell is the cytoskeleton. Microtubules, tiny tubes consisting of a protein called tubulin, are part of this skeleton of cells. Cilia and flagella, which are antenna-like structures that protrude from most of.....»»

Category: topSource:  theglobeandmailRelated NewsJan 7th, 2021

Study uses computer modelling to identify "vulnerable sites" on coronavirus protein

Scientists have used computer modeling to identify potential 'vulnerable sites' on a key protein found in coronavirus—paving the way for possible new drug treatments in the future......»»

Category: topSource:  physorgRelated NewsJan 7th, 2021

Research explains why crocodiles have changed so little since the age of the dinosaurs

New research by scientists at the University of Bristol explains how a 'stop-start' pattern of evolution, governed by environmental change, could explain why crocodiles have changed so little since the age of the dinosaurs......»»

Category: topSource:  marketingvoxRelated NewsJan 7th, 2021

For 50 years, biologist has studied bottlenose dolphins from a research center on Florida"s Gulf Coast

Beginning his work in marine biology, Randy Wells thought he was a shark guy......»»

Category: topSource:  informationweekRelated NewsJan 6th, 2021