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The riddle of life's single-handedness

Try shaking a colleague's left hand with your right hand. It just doesn't work, does it? Your right palm and her or his left palm cannot mesh comfortably because hands are chiral objects, having...

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Scientists glimpse why life can't happen without water

Scientists are getting closer to directly observing how and why water is essential to life as we know it.

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Technique paves the way for drug targeting to fight microbial resistance

Research investigators in Singapore have developed a new high throughput method that identifies how ribonucleic acid (RNA) molecules come together in an unbiased and large-scale manner inside cells....

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Discovery of alternative photochemistry on water surfaces

Fatty acids found on the surface of water droplets react with sunlight to form organic molecules, essentially uncovering a previously unknown form of photolysis.

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Why pneumococci affect primarily humans

A special variant of a sugar molecule in the human nose might explain why pneumococcal infections are more common in humans than in other animals, researchers from Karolinska Institutet in Sweden...

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Protein-like structures from the primordial soup

Experiments performed by ETH scientists have shown that it is remarkably easy for protein-like, two-dimensional structures—amyloids—to form from basic building blocks. This discovery supports the...

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Researchers discover how selenium is incorporated into proteins

Humans need eight essential trace elements for good health, and one of them is selenium - a powerful antioxidant that is important for thyroid and brain function as well as metabolism.

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Researchers reveal 3-D structure of cell's inflammation sensor and its...

Inflammation is a good thing when it's fighting off infection, but too much can lead to autoimmune diseases or cancer. In efforts to dampen inflammation, scientists have long been interested in CC...

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Novel technique helps ID elusive molecules

Among the most important molecules in the living world are sugars or carbohydrates, which play a vital role in life processes. Sugars provide the main source of fuel for the body, protect muscles from...

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Looking for life in all the right places—with the right tool

Researchers have invented a range of instruments from giant telescopes to rovers to search for life in outer space, but so far, these efforts have yielded no definitive evidence that it exists beyond...

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Otzi the Iceman: Researchers validate the stability of genetic markers

Biomarkers are biological attributes that can give doctors or researchers clues about the health status or illnesses of a patient. Scientists are placing great hope in a new type of biomarker,...

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New study shines light on photosynthesis

Terry Bricker, Moreland Family Professor in the Louisiana State University (LSU) Department of Biological Sciences, and colleagues at Palacký University in the Czech Republic and at the University of...

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Converting water into hydrogen more efficiently

Scientists have long been puzzled why it is easier to produce hydrogen from water in an acidic environment than in an alkaline environment. Marc Koper comes with an explanation: the reason is the...

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Sun's UV light helped spark life

High energy, ultraviolet radiation from the Sun is a known to hazard to life, yet the energy provided by our star has played an important role as the essential driver of life on Earth.

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Astrochemistry: how life may have begun in space

We usually imagine comet impacts as a threat and not as the source of life. But perhaps they were precisely that. Researchers in Bochum are looking for evidence for this theory.

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Discovery of 'helical molecular glue'

Hideto Tsuji, professor in Toyohashi University of Technology, and his colleagues have made a world-first discovery of 'molecular glue' action of a counterclockwise-helical molecule to glue two...

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Scientists watch fat metabolism in live fish, observe real-time lipid...

Studying how our bodies metabolize lipids such as fatty acids, triglycerides, and cholesterol can teach us about cardiovascular disease, diabetes, and other health problems, as well as reveal basic...

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Hydrogen bonds directly detected for the first time

For the first time, scientists have succeeded in studying the strength of hydrogen bonds in a single molecule using an atomic force microscope. Researchers from the University of Basel's Swiss...

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How RNA formed at the origins of life

A single process for how a group of molecules called nucleotides were made on the early Earth, before life began, has been suggested by a UCL-led team of researchers.

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New approach set to make peptide stapling widely available

UK scientists have created a new method to structure peptides, which they say will be cheaper and make the process of using stapled peptides in drug discovery much more widely available. 

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First aid kit in some living organisms helps fix DNA after lengthy sun exposure

Sunburn in living organisms is caused by ultraviolet (UV) light from the sun damaging the DNA in the cells. Many organisms, however, have an in-built mechanism for repairing the sun damage. This is...

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Biochemists link synthetic compound to hunger-hormone production

New research suggests that a man-made cousin of a small molecule found in olive oil can disrupt the hunger-signaling pathway. Researchers identified this promising new target by screening a library of...

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Lab-made protein chomps co-factor like a big ol' gator

Proteins have the power to turbo-charge biochemical reactions inside the body.

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Could interstellar ice provide the answer to birth of DNA?

Researchers at the University of York have shown that molecules brought to earth in meteorite strikes could potentially be converted into the building blocks of DNA.

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Designer binders protect silicon battery electrodes

In your electric car's battery, swapping an electrode with one made of silicon could let the battery store 10 times more energy. Why isn't silicon used? It falls apart. Scientists designed binders,...

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Cooking fats in the atmosphere may affect climate more than previously thought

Fats being released into the atmosphere from cookers such as deep fat fryers may be enhancing the formation of clouds, which have a major cooling effect on the planet.

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Snatching at the cradle of life

Silence of the WA outback key in detecting low-frequency radio waves and, maybe, the precursors of life itself.

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Chemists discover plausible recipe for early life on Earth

Chemists at The Scripps Research Institute (TSRI) have developed a fascinating new theory for how life on Earth may have begun.

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Flexibility and arrangement—the interaction of ribonucleic acid and water

Ribonucleic acid (RNA) plays a key role in biochemical processes that occur at the cellular level in a water environment. Mechanisms and dynamics of the interaction between RNA and water were now...

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Vitamin C in the body can be tracked by fluorescence

Vitamin C is best known as a nutrient. In high enough doses, however, vitamin C also shows potential against many cancers, according to recent studies. To successfully develop vitamin C (chemically...

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