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January 24, 2021

ScienceDaily: Latest Science News

ScienceDaily: Latest Science News

Record-breaking laser link could help us test whether Einstein was right

Posted: 22 Jan 2021 05:49 AM PST

Scientists have set a world record for the most stable transmission of a laser signal through the atmosphere. The team combined 'phase stabilization' technology with advanced self-guiding optical terminals to 'effectively eliminate atmospheric turbulence,' an advance which could help test Einstein's theory of general relativity.

Gastrointestinal surgery can be a 'cure' for type 2 diabetes finds new long-term study

Posted: 21 Jan 2021 03:54 PM PST

The results of a randomized clinical trial with the longest follow up to date show that metabolic surgery is more effective than medications and lifestyle interventions in the long-term control of severe type 2 diabetes.

Better post-surgery care would dramatically improve cancer survival

Posted: 21 Jan 2021 03:54 PM PST

Patients' chances of survival after cancer surgery is strongly linked with the standard of post-operation hospital care, a major international study suggests.

Friends are most valued in cultures where they may be needed most

Posted: 21 Jan 2021 03:54 PM PST

Researchers reveal cultural and health benefits of close human relationships in a new study.

Scientists solve a 100-year-old mystery about cancer

Posted: 21 Jan 2021 03:54 PM PST

A long-standing mystery is why fast-growing cells, like cancer cells and immune cells, rely on a seemingly inefficient form of metabolizing glucose to power their activities. In a new study, scientists now offer a compelling solution.

Developmental origins of eczema and psoriasis discovered

Posted: 21 Jan 2021 01:31 PM PST

Scientists have created a highly detailed map of skin, which reveals that cellular processes from development are re-activated in cells from patients with eczema and psoriasis inflammatory skin diseases. The study offers potential new drug targets for treating these painful skin diseases and provides a new understanding of inflammatory disease. The research could also provide a template for regenerating healthy skin in the laboratory.

Creating a safe CAR T-Cell therapy to fight solid tumors in children

Posted: 21 Jan 2021 01:31 PM PST

Scientists modify CAR T-Cell therapy, making it more effective and less toxic, for possible use in solid tumors such as neuroblastoma.

Solar system formation in two steps

Posted: 21 Jan 2021 12:10 PM PST

Researchers have discovered that a two-step formation process of the early Solar System can explain the chronology and split in volatile and isotope content of the inner and outer Solar System.

Combining best of both worlds for cancer modeling

Posted: 21 Jan 2021 12:09 PM PST

Treatment options for many types of cancers remain limited, due partly to the in vitro tools used to model cancers and that results from animal studies do not always translate well to human disease. These shortcomings point to a clear need for a better, patient-specific model. Researchers suggest bioengineered microscale organotypic models can address this need.

Smart vaccine scheme quick to curb rabies threat in African cities

Posted: 21 Jan 2021 10:22 AM PST

More people could be protected from life-threatening rabies thanks to an agile approach to dog vaccination using smart phone technology to spot areas of low vaccination coverage in real time. The work could help save the lives of children worldwide.

Scientists discover link between nicotine and breast cancer metastasis

Posted: 21 Jan 2021 10:21 AM PST

Scientists have found that nicotine promotes the spread of breast cancer cells into the lungs.

On the trail of active ingredients from marine yeasts

Posted: 21 Jan 2021 10:20 AM PST

Numerous natural products are awaiting discovery in all kinds of natural habitats. Especially microorganisms such as bacteria or fungi are able to produce diverse natural products with high biomedical application potential in particular as antibiotics and anticancer agents. Researchers have isolated red yeast of the species Rhodotorula mucilaginosa from a deep-sea sediment sample and analyzed for its genome and chemical constituents. The scientists succeeded in demonstrating its anticancer and antibacterial effects.

European eels - one gene pool fits all

Posted: 21 Jan 2021 10:20 AM PST

European eels spawn in the subtropical Sargasso Sea but spend most of their adult life in a range of fresh- and brackish waters, across Europe and Northern Africa. Using whole-genome analysis, a team of scientists provides conclusive evidence that all European eels belong to a single panmictic population irrespective of where they spend their adult life, an extraordinary finding for a species living under such variable environmental conditions.

Spontaneous cell fusions amplify genetic diversity within tumors

Posted: 21 Jan 2021 10:20 AM PST

Scientists generally believe that cancers lack a powerful and important diversification mechanism available to pathogenic microbes - the ability to exchange and recombine genetic material between different cells. However, researchers now demonstrate that this belief is wrong and that cancer cells are capable of exchanging and recombining their genetic material with each other through a mechanism mediated by cell fusions.

Researchers improve data readout by using 'quantum entanglement'

Posted: 21 Jan 2021 10:20 AM PST

Researchers say they have been able to greatly improve the readout of data from digital memories - thanks to a phenomenon known as 'quantum entanglement'.
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