Eco Wave Power developed an innovative technology for production of clean electricity from ocean and sea waves. EWP’s innovative technology has been recognized as a “Pioneering Technology” by the Chief Scientist of the Energy Ministry of Israel and received an Efficient Solution label from Solar Impulse Foundation.
source/image(PrtSc): EcoWavePower.
In an effort to increase livestock productivity, Rwanda is using drones to deliver aid to farmers. Road transportation is proving to be challenging.
#Rwanda #Aid #Farmers.
Researchers at the University of California Riverside (UC Riverside) have identified a single protein that seems to control when hair follicles die. Armed with this new information, it might eventually be possible to reverse the process and stimulate hair regrowth.
The protein in question is known as TGF-beta, a signaling protein that regulates the division, growth and death of cells. As such, it plays major roles in important jobs like wound healing, and seems to be hijacked by cancer cells to allow uncontrolled growth. In this case, the team found that TGF-beta extends its work to the cells inside hair follicles.
“TGF-beta has two opposite roles,” said Qixuan Wang, co-author of the study. “It helps activate some hair follicle cells to produce new life, and later, it helps orchestrate apoptosis, the process of cell death.”
This episode feature Mass Drivers, Space Guns, and other means of rapidly accelerating a spaceship up to orbital speeds without a rocket. We will explore the…
Peer long enough into the heavens, and the Universe starts to resemble a city at night. Galaxies take on characteristics of streetlamps cluttering up neighborhoods of dark matter, linked by highways of gas that run along the shores of intergalactic nothingness.
This map of the Universe was preordained, laid out in the tiniest of shivers of quantum physics moments after the Big Bang launched into an expansion of space and time some 13.8 billion years ago.
Yet exactly what those fluctuations were, and how they set in motion the physics that would see atoms pool into the massive cosmic structures we see today is still far from clear.
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Continue reading “Blood Test #4 in 2022: Supplements, Diet” »
As organizations increasingly look to employ drones for everything from deliveries to pest control to surveillance, safety in the skies is becoming an issue that demands more attention. Regulations around drones and their flight vary widely between countries and regions, but to really start scaling the technology there will need to be more standardization in terms of who can fly where, how fast, how high, etc.
The UK is taking the lead on drone mobility, with an announcement this week of plans to build a 165-mile (265 kilometer) “drone superhighway.” Project Skyway is being led by Altitude Angel, a UK aerospace and unified traffic management company, and involves a consortium of other stakeholders, including British Telecommunications Group.
Continue reading “A 165-Mile Drone Superhighway Will Soon Be Built in the UK” »
A process that involves the “murder” of living, newly-generated cells has been discovered for the first time in recent research conducted at the University of Haifa. The research, which was described in the esteemed journal Science Advances, discovered that throughout the cellular differentiation process in fruit flies, phagocytic cells consume and destroy healthy living cells.
“We found that phagocytes can function as ‘murderers.’ It is well-known that phagocytic cells swallow and dissolve dead cells, but we show for the first time that they also kill newly-created normal cells. Essentially we have characterized a new mechanism of cell death. The more we know the mechanisms of cell death, the better we understand how to cope with various diseases, particularly cancer”, explained Professor Hilla Toledano, head of the Department of Human Biology at the University of Haifa and author of the study.
The origin of several bodily tissues, including skin, hair, stomach, and testicles, may be traced back to stem cells. By continuously supplying new cells to replace the old ones, these powerful stem cells enable tissue replenishment. Each stem cell in this process splits into two cells, one of which is retained for use in the future and the other of which develops to take the place of the lost cell in the tissue.
Many efforts have been made to image the spatiotemporal electrical activity of the brain with the purpose of mapping its function and dysfunction as well as aiding the management of brain disorders. Here, we propose a non-conventional deep learning–based source imaging framework (DeepSIF) that provides robust and precise spatiotemporal estimates of underlying brain dynamics from noninvasive high-density electroencephalography (EEG) recordings. DeepSIF employs synthetic training data generated by biophysical models capable of modeling mesoscale brain dynamics. The rich characteristics of underlying brain sources are embedded in the realistic training data and implicitly learned by DeepSIF networks, avoiding complications associated with explicitly formulating and tuning priors in an optimization problem, as often is the case in conventional source imaging approaches. The performance of DeepSIF is evaluated by 1) a series of numerical experiments, 2) imaging sensory and cognitive brain responses in a total of 20 healthy subjects from three public datasets, and 3) rigorously validating DeepSIF’s capability in identifying epileptogenic regions in a cohort of 20 drug-resistant epilepsy patients by comparing DeepSIF results with invasive measurements and surgical resection outcomes. DeepSIF demonstrates robust and excellent performance, producing results that are concordant with common neuroscience knowledge about sensory and cognitive information processing as well as clinical findings about the location and extent of the epileptogenic tissue and outperforming conventional source imaging methods. The DeepSIF method, as a data-driven imaging framework, enables efficient and effective high-resolution functional imaging of spatiotemporal brain dynamics, suggesting its wide applicability and value to neuroscience research and clinical applications.
In an ancillary study of the Vitamin D and Omega-3 Trial (VITAL), we tested whether supplemental vitamin D3 would result in a lower risk of fractures than placebo. VITAL was a two-by-two factorial, randomized, controlled trial that investigated whether supplemental vitamin D3 (2000 IU per day), n−3 fatty acids (1 g per day), or both would prevent cancer and cardiovascular disease in men 50 years of age or older and women 55 years of age or older in the United States. Participants were not recruited on the basis of vitamin D deficiency, low bone mass, or osteoporosis. Incident fractures were reported by participants on annual questionnaires and adjudicated by centralized medical-record review. The primary end points were incident total, nonvertebral, and hip fractures. Proportional-hazards models were used to estimate the treatment effect in intention-to-treat analyses.
Among 25,871 participants (50.6% women [13,085 of 25,871] and 20.2% Black [5106 of 25,304]), we confirmed 1991 incident fractures in 1,551 participants over a median follow-up of 5.3 years. Supplemental vitamin D3, as compared with placebo, did not have a significant effect on total fractures (which occurred in 769 of 12,927 participants in the vitamin D group and in 782 of 12,944 participants in the placebo group; hazard ratio, 0.98; 95% confidence interval [CI], 0.89 to 1.08; P=0.70), nonvertebral fractures (hazard ratio, 0.97; 95% CI, 0.87 to 1.07; P=0.50), or hip fractures (hazard ratio, 1.01; 95% CI, 0.70 to 1.47; P=0.96). There was no modification of the treatment effect according to baseline characteristics, including age, sex, race or ethnic group, body-mass index, or serum 25-hydroxyvitamin D levels. There were no substantial between-group differences in adverse events as assessed in the parent trial.
Vitamin D3 supplementation did not result in a significantly lower risk of fractures than placebo among generally healthy midlife and older adults who were not selected for vitamin D deficiency, low bone mass, or osteoporosis. (Funded by the National Institute of Arthritis and Musculoskeletal and Skin Diseases; VITAL ClinicalTrials.gov number, NCT01704859.)
