Science

As a result, we concluded that the formation of a part of Omicron isolates BA.1, BA.1.1, and BA.2 was not the product of genome evolution, as is commonly observed in nature, such as the accumulation of mutations and homologous recombinations. Furthermore, the study of 35 recombinant isolates of Omicron variants BA.1 and BA.2 confirmed that Omicron variants were already present in 2020. The analysis showed that Omicron variants were formed by an entirely new mechanism that cannot be explained by previous biology, and knowing how the SARS-CoV-2 variants were formed prompts a reconsideration of the SARS-CoV-2 pandemic

A study finds people who eat more than one serving of red meat a day are at higher risk of developing type 2 diabetes. Processed meats, like bacon and hot dogs, were linked to an even higher risk.

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Previous limitation to 256 colors far exceeded

The DNA double helix is composed of two DNA molecules whose sequences are complementary to each other. The stability of the duplex can be fine-tuned in the lab by controlling the amount and location of imperfect complementary sequences. Fluorescent markers bound to one of the matching DNA strands make the duplex visible, and fluorescence intensity increases with increasing duplex stability. Now, researchers at the University of Vienna succeeded in creating fluorescent duplexes that can generate any of 16 million colors – a work that surpasses the previous 256 colors limitation. This very large palette can be used to "paint" with DNA and to accurately reproduce any digital image on a miniature 2D surface with 24-bit color depth. This research was published in the Journal of the American Chemical Society.

Study provides oldest direct evidence of our ancient cousins killing the big cats, perhaps not just for their meat

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Researchers catalogue more than 3,000 different types of cell in our most complex organ.

New research in a population from Singapore suggests that individuals who drink coffee and tea appear to have a lower risk of Parkinson's disease, even if they are genetically predisposed to it.

Imagine yourself passing through a spacious library with books holding your lifetime experiences, thoughts, and memories on their pages. This repository is organised by a web of connections between each section, so no detail is missed. These are our “cognitive maps"—the structured internal representations of the relationships between things. This grand library seems to lose its once-clear boundaries as schizophrenia, a neuropsychiatric disorder affecting millions around the world, blurs the bou

Spring is a dangerous time to be a female European common frog. After a winter-long hibernation, these amphibians congregate in shallow ponds to mate and lay eggs. The gatherings can turn ugly fast; male frogs, which vastly outnumber females, will regularly harass, intimidate, and coerce their counterparts into mating.

Scientists have long assumed the females have little means of defending themselves. But they may be less helpless than previously thought. Today in Royal Society Open Science, researchers report that female European common frogs (Rana temporaria) have a few tricks to escape unwanted mating, including duping a ribbiting Romeo into thinking he’s encountered another male, wriggling out of his grasp, or even playing dead.

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A new method of controlling inflammation and sugar levels for oral and systemic disease prevention using a common diabetes drug has been discovered by a team of researchers at King's College London.

Type 1 diabetes is particularly a serious disease and its management has been a journey fraught with various challenges. But MIT engineering announces a revolution in the treatment of diabetes which can be potentially transformative. This innovation is an implantable device, containing not only insulin-producing cells but also its own oxygen production factory. It is incredible that this device is capable of producing oxygen by splitting the user’s vapor. This is a phenomenal feat, with its posi

Neuron activity shows that the brain uses different systems for counting up to four, and for five or more.

For more than a century, researchers have known that people are generally very good at eyeballing quantities of four or fewer items. But performance at sizing up numbers drops markedly — becoming slower and more prone to error — in the face of larger numbers.

Now scientists have discovered why: the human brain uses one mechanism to assess four or fewer items and a different one for when there are five or more. The findings, obtained by recording the neuron activity of 17 human participants, settle a long-standing debate on how the brain estimates how many objects a person sees. The results were published in Nature Human Behaviour on 2 October.

A new combination of treatments safely decreased growth of pancreatic cancer in mice by preventing cancer cells from scavenging for fuel, a new study finds.

In the age of speed and technology, people mistakenly believe that only hard and strict workouts can be useful for health. The Lancet Public Health, however, presents an enlightening perspective on the matter when it comes to new research. The Power of Small, Everyday Movements A University of Sydney ground breaking study led by Professor Emmanuel Stamatakis suggests that incidental activity could cut the risk of heart attack; stroke and early death. However, these are not hard workouts but simp

While the bacteria in the intestine are helpful for digesting food and fighting infections, they have long been suspected to play an essential role in triggering rheumatoid arthritis. This chronic inflammatory disorder affects the joints.

The study, published in JAMA, found these adverse gastrointestinal effects happen in non-diabetic patients using the drugs specifically for weight loss.

Euclid has found its ‘lost’ guide stars as a software patch has solved its navigation woes and the next six years of observation schedules have been redesigned to avoid stray sunlight: it’s the end of an interesting commissioning phase and Euclid will now undergo its final testing in full ‘science mode’.

Dementia, which includes Alzheimer's disease, currently affects around 1.8 million people in Germany. The exact cause has not yet been clarified, but genetic factors play a significant role in the development of the disease. Most previous analyses aimed at the identification of novel Alzheimer's genes used, a "case-control design."

Happiness has become today’s fast-paced pursuit. People often relate their contentment from economic success to personal achievements to tangible outcomes. And suppose that the secret of happy life is not about the money that you earn, but about the social and not economic factors, which envelop you. The University of Hong Kong’s groundbreaking research could change our understanding of happiness. Understanding Societal Conditions and Happiness Satoshi Araki, an assistant professor at The Univer

Quantum physicists at Trinity, working alongside IBM Dublin, have successfully simulated super diffusion in a system of interacting quantum particles on a quantum computer. This is the first step in doing highly challenging quantum transport calculations on quantum hardware and, as the hardware

Japanese scientist Kikunae Ikeda first proposed umami as a basic taste — in addition to sweet, sour, salty and bitter — in the early 1900s. About eight decades later, the scientific community officially agreed with him.

Now, scientists led by researchers at the USC Dornsife College of Letters, Arts and Sciences have evidence of a sixth basic taste.

In research published Oct. 5 in Nature Communications, USC Dornsife neuroscientist Emily Liman and her team found that the tongue responds to ammonium chloride through the same protein receptor that signals sour taste.

Lions have long been perceived as Africa’s, if not the world’s, most fearsome terrestrial predator,the “king of beasts”. Wildlife’s fear of humans may, however, be far more powerful and all-prevailing, as recent global surveys show that humans kill prey at much higher rates than other predators, due partly to technologies such as hunting with dogs or guns.

A clinical trial from the United Kingdom suggests that doctors can safely reduce radiotherapy exposure time for prostate cancer treatment by administering higher radiation doses.