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Carbon-carbon covalent bonds far more flexible than presumed
A Hokkaido University research group has successfully demonstrated that carbon-carbon (C-C) covalent bonds expand and contract flexibly in response to light and heat. This unexpected flexibility of C-C bonds could confer new properties to organic compounds. (2020-10-01)

Metal-ion breakthrough leads to new biomaterials
Metals such as iron and calcium play a crucial role inside the human body, so it's no surprise that bioengineers would like to integrate them into the soft, stretchy materials used to repair skin, blood vessels, lungs and other tissue. (2020-09-30)

Cancer's hidden vulnerabilities
To fight cancer more effectively, a Caltech researcher probes its inner workings for metabolic weaknesses. (2020-09-28)

The key to lowering CO2 emissions is made of metal
Researchers at Osaka City University produce malic acid, which contains 4 carbon atoms, through artificial photosynthesis by simply adding metal ions like aluminum and iron. This solves a problem with current artificial photosynthesis technology of only producing molecules with 1 carbon atom and paves the way to exploring the use of CO2 as a raw material. (2020-09-28)

Male baboons with female friends live longer
Opposite-sex friendships can have non-romantic benefits. And not just for people, but for our primate cousins, too. A 35-year study of 542 baboons finds that males that have close female friends have higher rates of survival. Previous studies have assumed that males befriend females to protect their offspring, or to boost their chances of mating later on. But the new study points to an additional benefit: female friends may help them live a longer life. (2020-09-20)

New data processing module makes deep neural networks smarter
Artificial intelligence researchers have improved the performance of deep neural networks by combining feature normalization and feature attention modules into a single module that they call attentive normalization. The hybrid module improves the accuracy of the system significantly, while using negligible extra computational power. (2020-09-16)

Halogen bonding: a powerful tool for constructing supramolecular co-crystalline materials
Halogen bonding is emerging as an important driving force for supramolecular self-assembly, and shows great potential in the design and synthesis of new multicomponent supramolecular co-crystalline materials. Co-crystals can retain the inherent property of every component, and exhibit more novel physicochemical properties through synergistic effects between different components, which is helpful to realize the multifunction of materials. Huang's group form Nanjing Tech University summarize the latest advances in halogen-bonding co-crystals, and outline future development directions. (2020-09-14)

Establishment of a rapid synthesis method for useful organic fluorine compounds
A new synthesis method has been developed for the efficient production of fluorinated alkenes. Using triflones, an organic magnesium reagent and a Ramberg-B├Ącklund reaction, this novel process represents a great step forward for synthesis strategies in organic synthetic chemistry. (2020-09-09)

Wool-like material can remember and change shape
SEAS researchers have developed a biocompatible material that can be 3D printed into any shape and pre-programmed with reversible shape memory. The material is made using keratin, a fibrous protein found in hair, nails and shells, extracted from leftover Agora wool used in textile manufacturing. It could be used in anything from self-fitting bras to actuating textiles for medical therapeutics and could help reduce waste in the fashion industry. (2020-09-03)

New Nitrogen Assembly Carbon catalyst has potential to transform chemical manufacturing
Scientists at the U.S. Department of Energy's Ames Laboratory have discovered a metal-free carbon-based catalyst that has the potential to be much less expensive and more efficient for many industrial concerns, including manufacturing of bio- and fossil fuels, electrocatalysis, and fuel cells. (2020-08-26)

A new method for in vivo plant cell imaging with SNAP-tag proteins
A new method for visualizing in vivo protein dynamics in plant cells has been developed by Nagoya University scientists, offering an important step forward in plant cell fluorescent imaging. (2020-08-21)

Cyclohexyl phenyl sulfide cleavage studied for degradation of sulfur-containing heavy oil
So far, the KFU team has proven copper compounds are the most effective in producing catalysts for heavy oil extraction. (2020-08-20)

Novel method can efficiently create several 'building blocks' of pharmaceutical drugs
A class of organic compounds that form the backbone of several pharmaceuticals, alicyclic compounds, are difficult to synthesize. However, with a novel method developed by a team of scientists at Waseda University in Japan, a range of abundantly available aromatic compounds, such as benzene derivatives, can be readily and efficiently transformed into a variety of highly functionalized alicyclic compounds, opening doors to newer possibilities in drug discovery research. (2020-08-17)

Selective conversion of reactive lithium compounds made possible
Researchers at Ruhr-Universit├Ąt Bochum have developed a new catalyst that can catalyse reactions to produce pharmaceuticals or chemicals used in agriculture. It creates carbon-carbon bonds between what are known as organolithium compounds without creating any unwanted by-products. (2020-08-12)

New nitrogen products are in the air
A nifty move with nitrogen has brought the world one step closer to creating a range of useful products -- from dyes to pharmaceuticals -- out of thin air. (2020-08-12)

Stack and twist: physicists accelerate the hunt for revolutionary new materials
Scientists at the University of Bath in the UK have taken an important step towards understanding the interaction between layers of atomically thin materials arranged in stacks. They hope their research will speed up the discovery of new, artificial materials, leading to the design of electronic components that are far tinier and more efficient than anything known today. (2020-08-11)

To bond with nature, kids need solitary activities outdoors
A new study found solitary activities like fishing, hunting or exploring outside are key to building strong bonds between children and nature. (2020-08-05)

Grooming behavior between dairy cows reveals complex social network
Like humans, cattle are social creatures with complex relationships that change as group dynamics evolve. New research into social grooming interactions between a small herd of dairy cows illustrated patterns of behavior that could be used to better align future farm management practices with the social needs of bovines. Previous research has demonstrated that happier cows are healthier and more productive. (2020-08-04)

Light shines on chemical production method
A team of researchers from Japan has demonstrated a light-based reaction that yields high numbers of the base chemical component required to produce bioactive compounds used in common industry products. They published their results on June 11, 2020 in Organic Letters. (2020-08-03)

Social bonds in adulthood don't mediate early life trauma
When baboons experience trauma in early life, they have higher levels of stress hormones in adulthood--a potential marker of poor health--than their peers who don't experience trauma, even if they have strong social relationships as adults, according to a study led by a University of Michigan researcher. (2020-08-03)

Strong relationships in adulthood won't 'fix' effects of early childhood adversity
Harsh conditions in early life are a fundamental cause of adult stress, and according to new research from the University of Notre Dame on wild baboons, this effect is not explained by a lack of social support in adulthood. (2020-08-03)

Unusual electron sharing found in cool crystal
Tungsten atoms are seen to come together in a way that is similar to an outer space ion. The finding suggests many more types of electron sharing between atoms could exist in nature. (2020-07-31)

Copper-catalyzed enantioselective trifluoromethylation of benzylic radicals developed
Scientists from the Shanghai Institute of Organic Chemistry of the Chinese Academy of Sciences (CAS) have developed the first copper-catalyzed enantioselective trifluoromethylation of benzylic radicals via a copper-catalyzed radical relay strategy. (2020-07-30)

Ammonia synthesis from selective electroreduction of nitrates over electron-deficient Co
Heterostructured Co/CoO nanosheet arrays with electron-deficient Co were constructed and exhibited excellent performances for nitrate electroreduction to ammonia: Faradaic efficiency (93.8%) and selectivity (91.2%), greatly outperforming Co NSAs. (2020-07-28)

Hydrogel mimics human brain with memorizing and forgetting ability
Hokkaido University researchers have found a soft and wet material that can memorize, retrieve, and forget information, much like the human brain. They report their findings in the journal Proceedings of the National Academy of Sciences (PNAS). (2020-07-27)

Chemists make tough plastics recyclable
MIT chemists have developed a way to modify thermoset plastics with a chemical linker that makes it much easier to recycle them, but still allows them to retain their mechanical strength. (2020-07-22)

Kazan University chemists offer a new look at polymers for space industry
Employees of the Department of Physical Chemistry of Kazan Federal University have found out that the mechanisms of polymerization of aryl cyanates in the solid state and in the melt differ in the number of broken multiple bonds of the monomer at the stage that determines the rate of the process. (2020-07-22)

Scientists present pre- and postfusion cryo-em structures of SARS-CoV-2 spike protein
Scientists report two new cryo-EM structures representing the pre- and postfusion conformations of the full-length SARS-CoV-2 spike (S) protein, an essential viral component responsible for host cell entry and the spread of infection. (2020-07-21)

Mysterious mechanism of graphene oxide formation explained
Natural graphite, used as the precursor for graphene oxide production, is a highly ordered crystalline inorganic material, which is believed to be formed by decay of organic matter. It is extremely thermodynamically stable and resistant to be converted to the organic-like metastable graphite oxide (2020-07-17)

Polymers self-assembling like links of a chain for innovative materials
Nature just published the research on unprecedented ''Self-assembled poly-catenanes'', which involved PoliTo's Professor Giovanni M. Pavan (2020-07-16)

Scientists open new window into the nanoworld
University of Colorado Boulder researchers have used ultra-fast extreme ultraviolet lasers to measure the properties of materials more than 100 times thinner than a human red blood cell. (2020-07-15)

Polarization of Br2 molecule in vanadium oxide cluster cavity and new alkane bromination
A hemispherical vanadium oxide cluster has a cavity that can accommodate a bromine molecule. It was found that a bromine molecule trapped in the cavity was polarized and that an alkane molecule like pentane, butane and propane could be brominated with the bromine molecule in the cavity with a selectivity differing from ordinary bromination. The present findings are expected to be useful for polarization of small molecules and design of highly functional catalysts. (2020-07-10)

Fine-tuning excited state of Ru(II)-photosensitizers for boosting CO2-to-CO conversion
How to substantially improve sensitizing ability of photosensitisers (PSs) through balancing its excited state lifetime and redox driving force represents a key role in promoting electron transfer efficiency and further enhancing photoconversion efficiency, however remains a great challenge. In this work, for the first time, researchers report a facile strategy to improve sensitizing ability via finely tuning the excited state of Ru(II)-PSs (Ru-1-Ru-4) for boosting CO2 photoreduction. (2020-07-09)

'Growing' active sites on quantum dots for robust H2 photogeneration
Chinese researchers had achieved site- and spatial- selective integration of earth-abundant metal ions in semiconductor quantum dots (QDs) for efficient and robust photocatalytic H2 evolution from water. (2020-07-07)

New light-based method for faster and 'green' production of building blocks for medicines
Researchers at Eindhoven University of Technology (TU/e), the Netherlands have developed a new method to convert gaseous, low-weight hydrocarbons into more complex molecules by illuminating the hydrocarbons with light in the presence of a suitable catalyst. (2020-07-02)

We feel connected when we move together in time with music
Go dancing! A new study conduted at Center for Music in the Brain at Aarhus University, Denmark, suggest that then moving together with music, synchronous movements between individuals increase social closeness. (2020-06-26)

Quantifying the building blocks of DNA is now easier thanks to a novel technique
A highly sensitive and easy-to-use technique applicable for tissue samples can be useful, for example, to researchers specialised in mitochondrial diseases and cancer. (2020-06-24)

Turning alcohol into key ingredients for new medicines
Chemists have found a way to turn alcohol into amino acids, the building blocks of life. (2020-06-24)

Every moment of ultrafast chemical bonding now captured on film
IBS scientists report the direct observation of the birthing moment of chemical bonds by tracking real-time atomic positions in the molecule. They captured the ongoing reaction process of the chemical bond formation in the gold trimer. The femtosecond-resolution images revealed that such molecular events took place in two separate stages, not simultaneously as previously assumed. (2020-06-24)

Exciting new developments for polymers made from waste sulfur
Researchers at the University of Liverpool are making significant progress in the quest to develop new sulfur polymers that provide an environmentally friendly alternative to some traditional petrochemical based plastics. (2020-06-23)

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