Last update Life in the fast lane: Ecologists say dispersal ability linked to plants' life cycles, 1 hour ago
One of the most puzzling aspects of cancer is how cells inevitably manage to reactivate precisely those few genes that can turn them into tumors. One example, discussed at length here yesterday, is the restoration of telomerase ...
While many students spend their spring break on a cruise ship, Elaina Graham chose a different kind of get-away. There was no swimming pool. No steel drum band. No all-you-can-eat buffet. Instead, her month-long voyage across ...
When fat and carbohydrates are combined in a single food they are more rewarding, calorie for calorie, than foods with either energy source alone, a Yale-led study published June 14 in the journal Cell Metabolism shows.
Cattle on the Prairies are hundreds of kilometres from the coast and yet it's possible that seaweed could make its way into their diet as an additive.
A team from a scientific start-up company and academic researchers has invented a new cell identification and sorting system called Ghost Cytometry. The system combines a novel imaging technique with artificial intelligence ...
Retroviruses, a broad category of viruses that infect humans and other vertebrates, have much greater diversity than previously thought, according to new research presented in PLOS Pathogens by Xiaoyu Xu and colleagues at ...
Researchers at the Stowers Institute for Medical Research have captured the one cell that is capable of regenerating an entire organism. For over a century, scientists have witnessed the effects of this cellular marvel, which ...
Researchers found traces of foreign, non-human genetic material in human blood samples. It turned out that it was not a groundbreaking scientific discovery, but mostly the result of contaminated laboratory materials. Scientists ...
MIT engineers have developed a probiotic mix of natural and engineered bacteria to diagnose and treat cholera, an intestinal infection that causes severe dehydration.
A research team at the São Paulo State University's Bioscience Institute (IB-UNESP) in Rio Claro, Brazil, has identified 29 fungi with proven action against Xanthomonas citri, a bacterium responsible for citrus canker, an ...
Berlin-based researchers have produced snapshots of cellular ribosomes. Their findings could set us on the path towards a new class of antibiotics. The study—a basic science study conducted by researchers from Charité ...
Soil, the source of our best antibiotics, can be more thoroughly mined for new drugs and other useful chemicals with the help of metagenomics, according to University of California, Berkeley, scientists.
Scientists at Baylor College of Medicine and Radboud University Medical Center in the Netherlands have discovered that the antennae-like structures on light-sensing neurons, called photoreceptors, have a unique feature not ...
Ribosomes are the cell's protein factories. Researchers from Ludwig-Maximilians-Universitaet (LMU) in Munich have now structurally characterized late stages in the assembly of the human small ribosomal subunit, yielding detailed ...
Standing guard between a cell's nucleus and its main chamber, called the cytoplasm, are thousands of behemoth protein structures called nuclear pore complexes, or NPCs. NPCs are like the bouncers of a cell's nucleus, tightly ...
Given the ever-increasing threat of antibiotic resistance, European researchers have developed a method to rapidly test new antibiotic candidates for their potential to be hit by emerging resistance. The high-throughput mutagenesis ...
Three new members have been isolated and added to the Pandoravirus family by researchers at the Structural and Genomic Information Laboratory (CNRS/Aix-Marseille Université), working with partners at the Large Scale Biology ...
It's not the amount of fat, but the ability to store fat in the right locations, that equates to good metabolic health in humans. In part, for this to occur, new fat cells must be made "on demand" when the body has an energy ...
Indiana University scientists have made the first direct observation of a key step in the process that bacteria use to rapidly evolve new traits, including antibiotic resistance.
Aging is a complex process involving lots of different mechanisms. One of the main processes on which aging is based is the formation of reactive oxygen species (ROS). ROSs are molecules formed as a result of a sequential ...
While humans and other species share some of the same genetic information, new research found that humans are unique among mammals when it comes to the types and diversity of microorganisms on our skin. This difference could ...
Scientists from Newcastle University have shown that human embryonic stem cells move by travelling back and forth in a line, much like ants moving along their trails.
Researchers have demonstrated that microbial signatures, the unique microbial make-up of each individual, from the built environment can identify persons involved in crimes occurring in the home, such as burglaries. The research ...
Scientists with USDA's Agricultural Research Service (ARS) are developing ways to identify the sources of any potentially harmful bacteria found in the surface waters around Athens, Georgia. The research is presented at ASM ...
Researchers from Vanderbilt University Medical Center have determined the metabolic pathway that Staphylococcus aureus use to survive in bones. Invasive S. aureus infections frequently occur in the bone and are notoriously ...
9 hours ago
6
9 hours ago
4
9 hours ago
1
9 hours ago
0
Thanks to continued advances in genetic sequencing, scientists have identified virtually every A, T, C, and G nucleotide in our genetic code. But to fully understand how the human genome encodes us, we need to go one step ...
Nestled deep in each of your cells is what seems like a magic trick: Six feet of DNA is packaged into a tiny space 50 times smaller than the width of a human hair. Like a long, thin string of genetic spaghetti, this DNA blueprint ...
A breakthrough new technique enables scientists to image 10,421 genes at once within individual cells.
Dying cells generally have two options: go quietly, or go out with a bang.
A Massachusetts General Hospital (MGH) research team has identified the essential role of a structural protein in the silencing of the inactive X chromosome, a process that prevents both copies of the same gene from being ...
Looking at the microbial communities that grow on students' desks, a team of Yale researchers found that the bacteria and fungi overwhelmingly came from the children sitting at the desks. They also found that, even after ...
Stem cell researchers at Harvard Medical School and Boston Children's Hospital have, for the first time, profiled a highly elusive kind of stem cell in the early embryo—a cell so fleeting that it makes its entrance and ...
As cells divide, they must accurately split their DNA between the two daughter cells or risk having an uneven number of chromosomes which can lead to developmental disorders and cancer. A new Donnelly Centre study uncovers ...
In recent years, it has become evident that the spatial organisation of the genome is key for its function. This depends on a number of factors, including the cohesin protein complex. This essential complex is present in ...
Newts are the only four-legged vertebrates that can regenerate their body parts, even as adults. When a newt loses a limb, a mass of cells called a blastema is generated at the stump, from which a new, fully functional limb ...
Scientists have shed light on a key aspect of healthy cell division, helping build a clearer picture of the complex mechanisms involved.
Researchers have discovered a link between bacteria metabolism and cell-to-cell communication, potentially providing a target for new antivirulence and antibiofilm drugs.
Focal adhesions are large specialized proteins that are located in the area where a cell membrane meets the extracellular matrix (ECM), a collection of molecules surrounding the cells that provide support and regulate micromechanical ...
How do ticks live solely on blood? A study presented in Current Biology (May 31, 2018) has elucidated the crucial role played by symbiotic bacteria that synthesize B vitamins. These nutrients are scarcely found in the blood ...
ClpB, an ATP-fueled protein molecular machine, disentangles and reactivates aggregated proteins. By using high-speed atomic force microscopy, conformational dynamics of ClpB were visualized for the first time. ClpB forms ...
Researchers in Japan have gained valuable insights into 'stress granules'—clumps of RNAs and proteins that form when cells are stressed by factors such as heat, toxins and viruses, deepening the understanding of proteins ...
The antibiotic-resistant Acinetobacter baumannii bacterium is one of the most globally harmful bacteria that causes nosocomial infections. Researchers at the University of Turku have discovered that the bacterium attaches ...
The evolution of larger brains in the last 3 million years played an important role in our ability as a species to think, problem-solve, and develop culture. But the genetic changes behind the expansion that made us human ...
Decades of commercial mountaineering have turned Mount Everest into the world's highest rubbish dump as an increasing number of big-spending climbers pay little attention to the ugly footprint they leave behind.
Though mostly rooted in the ground, plants have a number of innovative ways to disperse their seeds and get on with the business of propagation. They drop seeds or release them to the wind. Or they fling seeds with a dramatic ...
Tales of a giant creature lurking beneath the murky waves of Loch Ness have been around for more than 1,500 years—and one academic hopes the marvels of modern science can finally unravel the mystery.
Hey, Google, order a large pizza! Alexa, I need vitamins!
Beluga whales in Alaska's Cook Inlet may have changed their diet over five decades from saltwater prey to fish and crustaceans influenced by freshwater, according to a study by University of Alaska Fairbanks researchers.
Currently, the heaviest element on the periodic table is oganesson, which has an atomic mass of 294 and was officially named in 2016. Like every element on the periodic table, nearly all of oganesson's mass comes from protons ...
Is dark matter a source of a yet unknown force in addition to gravity? The mysterious dark matter is little understood and trying to understand its properties is an important challenge in modern physics and astrophysics. ...
A massive world-wide study of dry riverbeds has found they're contributing more carbon emissions than previously thought, and this could help scientists better understand how to fight climate change.
According to the United Nations, 2.1 billion people lack access to safely managed drinking water services, the majority of whom live in developing nations.
Usually when physicists perform quantum entanglement between particles—whether it be qubits, atoms, photons, electrons, etc.—the particles are distinguishable in some way. Only recently have physicists demonstrated the ...
For decades, biologists have believed a key enzyme in plants had one function—produce amino acids, which are vital to plant survival and also essential to human diets.
Researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have developed a new technique to squeeze infrared light into ultra-confined spaces, generating an intense, nanoscale antenna that ...
The first ever detailed pictures of the structure of conjugated polymers have been produced by a research team led by Professor Giovanni Costantini at the University of Warwick.
An international team of scientists have used the latest genetic and anatomical techniques to study the remains of a cow with a short face like a bulldog that fascinated Charles Darwin when he first saw it in Argentina 180 ...
A team of researchers from the U.K., Italy and Malta has found a way to use fiber-optic cables already on the ocean floor as seismic detectors. In their paper published in the journal Science, the team describes how they ...
The nervous system is loaded with encoded information: thoughts, emotions, motor control. This system in our bodies is an enigma, and the more we can do to understand it, the more we can do to improve human life. Brain-machine ...
A volcano in Ecuador with a deep cylindrical crater might be the largest musical instrument on Earth, producing unique sounds scientists could use to monitor its activity.
An electrically conductive hydrogel that takes stretchability, self-healing and strain sensitivity to new limits has been developed at KAUST. "Our material outperforms all previously reported hydrogels and introduces new ...
A major upgrade began Friday for the world's most powerful proton smasher to increase the number of particle collisions inside the Large Hadron Collider and help further explore the fundamental building blocks of the universe.
In new quantum information technologies, fragile quantum states have to be transferred between distant quantum bits. Researchers at ETH have now realized such a quantum transmission between two solid-state qubits at the push ...
A trio of researchers with Universidade de São Paulo has documented evidence of flatworms and harvestmen engaging in battle in the forests of Brazil. In their paper published in the Journal of Zoology, M. S. Silva. R. H. ...
Metamaterials are artificially engineered materials. Scientists create them by combining multiple elements from composite materials such as a metal and an electrical insulator. The result is an entirely new material with ...
A message from late British astrophysics giant Stephen Hawking was beamed towards the nearest black hole on Friday as his remains were laid to rest in London's Westminster Abbey.
A new database of plasma simulations, combined with observational data and powerful visualisation tools, is providing planetary scientists with an unprecedented way to explore some of the Solar System's most interesting plasma ...
A biomimetic nanosystem can deliver therapeutic proteins to selectively target cancerous tumors, according to a team of Penn State researchers.
Carbon nanotubes – cylindrical formations of carbon atoms with incredible strength and electrical conductivity – hold great promise for creating new micron-scale low-power electronic devices.
Using X-ray laser technology, a team led by researchers of the Paul Scherrer Institute PSI has recorded one of the fastest processes in biology. In doing so, they produced a molecular movie that reveals how the light sensor ...
Researchers of the Institute of Biotechnology and Biomedicine (IBB-UAB) have generated four peptides, molecules smaller than proteins, capable of self-assembling in a controlled manner to form nanomaterials. The research, ...
The days of searching the oceans around the world to find and study rare and endangered marine animals are not over. However, an emerging tool that can be used with just a sample of seawater may help scientists learn more ...
Every cell in the body contains thousands of different protein molecules and they can change this composition whenever they are induced to perform a particular task or convert into a different cell type. Understanding how ...
Find more news articles via sort by date page
