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Category: health

A decent chunk of energy usage goes towards lighting, so scientists at MIT are developing a new kind of passive lighting – glow-in-the-dark plants. In the latest experiment, the team has made them glow much brighter than the first generation plants, without harming their health.

The emerging field of “plant nanobionics” involves embedding nanoparticles into plants to give them new abilities. Past work by the MIT team has created plants that can send electrical signals when they need water, spinach that could be used to detect explosives, and watercress that glows in the dark.

As interesting as that last one was, the glow wasn’t particularly bright – about on par with those plastic glowing stars many of us stuck to our ceilings as kids. That’s a cool novelty but not much help for the ultimate use case of passive lighting.

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Amit Awasthi, an immunologist with the Translational Health Science and Technology Institute in India and corresponding author of the study, says he and his colleagues pursued this line of inquiry because previous research had linked high salt intake with autoimmune diseases, suggesting that increased salt stimulates immune cells. Meanwhile, tumors are well known to grow in immune-suppressive environments.

ABOVE: © ISTOCK.COM, CHAOFANN

In mice, a diet high in salt suppresses tumor growth—but only when gut microbes are there to stimulate immune cells, a September 10 study in Science Advances reports. The findings raise tantalizing questions about the role of diet and gut microbes in human cancers, and may point to new avenues for therapeutic development.

While the study isn’t the first to connect a high-salt diet to shrinking tumors, “[the authors] have shown a unique mechanistic role of high salt induced gut microbiome changes as the central phenomenon behind their observed anti-cancer effect,” writes Venkataswarup Tiriveedhi, a biologist at Tennessee State University who has studied the effect of salt on cancer progression but was not involved in the study, in an email to The Scientist.

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This is for all who like coffee:

“To our knowledge, this is the largest study to systematically assess the cardiovascular effects of regular coffee consumption in a population without diagnosed heart disease,” said study author Dr. Judit Simon, of the Heart and Vascular Centre, Semmelweis University, Budapest, Hungary.

Our results suggest that regular coffee consumption is safe, as even high daily intake was not associated with adverse cardiovascular outcomes and all-cause… See More.

Your access to the latest cardiovascular news, science, tools and resources.

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The selected companies will develop lander design concepts, evaluating their performance, design, construction standards, mission assurance requirements, interfaces, safety, crew health accommodations, and medical capabilities. The companies will also mitigate lunar lander risks by conducting critical component tests and advancing the maturity of key technologies.

The work from these companies will ultimately help shape the strategy and requirements for a future NASA’s solicitation to provide regular astronaut transportation from lunar orbit to the surface of the Moon.

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The existential threat of COVID-19 has highlighted an acute need to develop working therapeutics against emerging health threats. One of the luxuries deep learning has afforded us is the ability to modify the landscape as it unfolds — so long as we can keep up with the viral threat, and access the right data.

As with all new medical maladies, oftentimes the data needs time to catch up, and the virus takes no time to slow down, posing a difficult challenge as it can quickly mutate and become resistant to existing drugs. This led scientists from MIT’s Computer Science and Artificial Intelligence Laboratory (CSAIL) to ask: how can we identify the right synergistic drug combinations for the rapidly spreading SARS-CoV-2?

Typically, data scientists use deep learning to pick out drug combinations with large existing datasets for things like cancer and cardiovascular disease, but, understandably, they can’t be used for new illnesses with limited data.

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Civilian Space Development has kicked-off: the work begins now!

Newsletter 17.09.2021 by Bernard Foing & Adriano V. Autino

During the last months we have seen the first civilian passengers fly to space, onboard Blue Origin and Virgin Galactic vehicles. September 15th, four civilian astronauts, onboard a Space X Dragon capsule, passed the 500 km orbit, more than 100 km higher than the ISS.In 2016 we started to publicly talk about and promote Civilian Space Development, while the whole space community kept on talking only about space exploration. Earlier, in 2,008 we founded the Space Renaissance movement, and a couple of years later the Space Renaissance International, as a philosophical association targeted to complete the Kopernican Revolution, supporting the Civilization expansion into space. Nowadays the concept of civilian space flight is everywhere on the media, and many people in the space community talk about a space renaissance. Of course the Coronavirus pandemics accelerated the awareness of the urgency to expand humanity into outer space. And space tourism — the first stage of civilian space settlement — is now a reality, in its first steps.

Of course nobody could be more happy than ourselves, for the above development, and of course**2 we want to congratulate with Elon, Richard and Jeff, for such a great achievement!

So, may we consider that our mission has been completed? Let’s see.

Firstly, were those crews composed by regular travelers, like normal air-flight passengers? Not exactly. The Inspiration4 crew members received astronaut training, for many months, including lessons in orbital mechanics, operating in a microgravity, stress testing, emergency preparedness training, and mission simulations. They have studied over 90 different kinds of training guides and manuals and lessons to learn to fly Crew Dragon, and what to do under emergency situations. The legal aspects are not clear: did FAA quickly authorize Space X and Blue Origin to deal commercial space flights? Doubt is more than legitimate, considering the long procedure followed by Virgin Galactic to be authorized to transport paying passengers in space. Likely, these first “civilian” passengers — like the first orbital tourist Dennis Tito did in 2001 — accepted conditions similar to the military astronauts (i.e. zero rights and warrants).

Therefore, we cannot say that the first “civilians” has gone to space. Yes, they are not military, but (i) they needed a hard astronautic training and (ii) they don’t have the rights and warrants given by air-flight companies to their passengers. It means, basically, that the vehicles are still more suitable to transport astronauts means than civilian passengers.

A lot of work is still to be done, to allow civilians to travel, live and work in space. And the real implementation of such work depends mostly on the right political decisions, and from the support by public opinion. We still need to fight against the fake news, the opposers, the misconceptions, the so many apparently reasonable objections to human expansion into outer space.

Our recently closed 3rd World Congress, significantly titled “The Civilian Space Development” approved a final resolution, including, among other, some relevant points. Some excerpts: * To allow a quick and smooth transition from the space exploration to the space settlement paradigm, **there are scientific works to be done with more energy and investments**, technologies to be consolidated and enhanced, collaborations to be agreed and pursued, in a spirit of a global support to the greatest enterprise of all times: the sustainable renaissance of our civilization in the outer space. * **Not going back, but going forward to the Moon**: develop proper industrial infrastructure to produce fuel in space, from lunar and asteroid materials, also mining resources such as water, rare earths, precious metals and Helium-3. * **Space debris recovery and reuse**. It is not only a necessary and overdue cleaning action. Starting the reuse of space debris is a bootstrapping point for Earth orbit industry, signaling the transition from a worthy public environmental initiative to the first orbital industrial business. * **Enhance life protection in space**. Radiation from our sun and deep galactic cosmic rays represent a big threat to health and reproduction. Humans cannot travel and live in space for long time and distances without proper protection. * **Start experimenting with simulated gravity**. It can be done by rotating connected modules, as an initial method: we need to learn a great deal about the effects of different diameters and rotation speeds on human perception, psychology and physical conditions. * **Keep on supporting the development of 100% reusable space vehicles**. Low cost, safe and reliable passenger space transportation vehicles. * **Support the space tourism industries** and their effort to develop civilian space travel and accommodations (hotels), turning the aeronautic experience into profit. * **To add an 18th SDG, bootstrap the civilian space development**, to UN 17 Sustainable Development Goals. In order to make the 17 SDG feasible and sustainable.”

Promoting the above key concepts, we strongly focus on inspiring and involving younger generations, to empower their growth and inspire them on their path to space.

SRI President — prof. Foing — was attending Luxembourg Space Forum on 14 Sept, and discussed projects and collaborations with industries, academia and entrepreneurs present there. He will give a keynote talk at SUTUS Space & Underwater Tourism Universal Summit on 22 Sept.

Our SRI webinar will host Mars Society founder Robert Zubrin on 4 October. Also see the SR Academy webinar series calendar.

SRI is co-organizer of events, and will talk to partners at IAC Dubai on 25–29 October. Several SRI members will present papers. Btw, we’re seeking for sponsors, **to support our mission to IAC 2021**.

https://spacerenaissance.space/space-renaissance-at-iac-2021-in-dubai/

In summary, we started to talk about space renaissance 13 years ago, and about civilians in space 5 years ago… Our 3rd Congress was fully centered on Civilian Space Development, it was a great success, and we have elected a new President and a new Board of Directors… Yet, we’re still a small organization, with many tens of thousands of followers but less than 100 registered members.

We need our many thousands followers to **join the SRI Crew as members,** and help us bringing SRI to its deserved place, in the galaxy of space advocacy! That will not cost too much to each member, yet it will allow us to better develop our programmes!

https://spacerenaissance.space/membership/international-membership-registration/

Keep on following and supporting the Space Renaissance!

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Common side effects of covid-19 vaccination listed by the UK’s Medicines and Healthcare Products Regulatory Agency (MHRA) include a sore arm, fever, fatigue, and myalgia.1 Changes to periods and unexpected vaginal bleeding are not listed, but primary care clinicians and those working in reproductive health are increasingly approached by people who have experienced these events shortly after vaccination. More than 30 000 reports of these events had been made to MHRA’s yellow card surveillance scheme for adverse drug reactions by 2 September 2,021 across all covid-19 vaccines currently offered.

Most people who report a change to their period after vaccination find that it returns to normal the following cycle and, importantly, there is no evidence that covid-19 vaccination adversely affects fertility. In clinical trials, unintended pregnancies occurred at similar rates in vaccinated and unvaccinated groups.2 In assisted reproduction clinics, fertility measures and pregnancy rates are similar in vaccinated and unvaccinated patients.

Read related article.

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In contrast to the energy balance model, the carbohydrate-insulin model makes a bold claim: overeating isn’t the main cause of obesity. Instead, the carbohydrate-insulin model lays much of the blame for the current obesity epidemic on modern dietary patterns characterized by excessive consumption of foods with a high glycemic load: in particular, processed, rapidly digestible carbohydrates. These foods cause hormonal responses that fundamentally change our metabolism, driving fat storage, weight gain, and obesity.

Perspective published in The American Journal of Clinical Nutrition argues the root causes of the obesity epidemic are more related to what we eat rather than how much we eat.

Statistics from the Centers for Disease Control and Prevention (CDC) show that obesity affects more than 40% of American adults, placing them at higher risk for heart disease, stroke, type 2 diabetes, and certain types of cancer. The USDA’s Dietary Guidelines for Americans 2020 – 2025 further tells us that losing weight “requires adults to reduce the number of calories they get from foods and beverages and increase the amount expended through physical activity.”

This approach to weight management is based on the century-old energy balance model which states that weight gain is caused by consuming more energy than we expend. In today’s world, surrounded by highly palatable, heavily marketed, cheap processed foods, it’s easy for people to eat more calories than they need, an imbalance that is further exacerbated by today’s sedentary lifestyles. By this thinking, overeating, coupled with insufficient physical activity, is driving the obesity epidemic. On the other hand, despite decades of public health messaging exhorting people to eat less and exercise more, rates of obesity and obesity-related diseases have steadily risen.

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https://www.youtube.com/watch?v=Ln1x3A9TuYg

Pollution creates particulate matter (tiny floating particles) and aerosols that can be harmful to our health. With missions like the Multi-Angle Imager for Aerosols (MAIA), public health officials can start to map this particulate matter around the world, understand its effect on diseases, and know where the most risk is. In this month’s talk, we’ll chat with the instrument operations systems engineer for MAIA and discuss how vital positions like hers are for mission success and for making sure important data gets back to us on Earth.

Speaker: janelle wellons, instrument operations systems engineer, NASA/JPL

Host: brian white, public services office, NASA/JPL

Co-host: jocelyn argueta, public outreach specialist, NASA/JPL

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