Lifeboat Foundation

Scientists have developed a new technique that can repair and even regenerate heart muscle cells after a heart attack (or myocardial infarction).

While it has only been tested on mice so far, if it works the same in humans it could potentially be a life-saving treatment for people who have suffered a heart attack.

The technique uses a synthetic messenger ribonucleic acid (mRNA). mRNA creates a ‘blueprint’ of DNA sequences that the body then uses to build the proteins that form and regulate our cells. By tweaking the mRNA, scientists can deliver different instructions for different biological processes.

Treatment-resistant typhoid originating mostly from South Asia has springboarded across borders almost 200 times in the past three decades, according to new research that underscores the increasing global threat of infections that can evade antibiotics.

Latin Foods Market issued a recall for an Artri King joint supplement, as it contains undeclared diclofenac and dexamethasone.

The US Food and Drug Administration (FDA) published a health warning in mid-April concerning Artri King-branded products. The company makes a pain reliever available as a supplement for joint pain and arthritis. However, FDA testing discovered that Artri King products contain hidden drug ingredients, including diclofenac and dexamethasone.

Walmart already recalled Artri King products in late May, and now Latin Foods Market is following suit with a new recall of its own.

Continue reading “Pain medicine recall: These pain pills have undeclared steroids, so check your bottles” »

https://youtube.com/watch?v=YEMzfMfLtmY

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You’re on PRO Robots and in this issue we’re going to talk about the best military drones of the 21st century. Today, more than 100 countries are developing military drones, constantly innovating to make them faster, more powerful and smarter. Drones are used for reconnaissance, surveillance, target detection, munitions delivery, and enemy strikes. The vehicles can fly autonomously or be operated by an operator, return to the base or play the role of a kamikaze. See an overview of the best military drones and trends in the development of combat drones in one video!

Continue reading “Top Military Drones | Military Technologies and Weapons | Drones 2022” »

Raytheon Intelligence & Space’s high-energy laser systems use photons, or particles of light, to carry out military missions and civil defense. This directed energy technology enables detection of threats, tracking during maneuvers, and positive visual identification to defeat a wide range of threats, including unmanned aerial systems, rockets, artillery and mortars.

Raytheon Intelligence & Space’s laser solutions are a set of technologies that use photons, or particles of light, to carry out military missions. They measure distance, designate targets and can defeat a wide range of threats, including UAS.

Inside NASA’s Cold Atom Lab, scientists form bubbles from ultracold gas, shown in pink in this illustration. Lasers, also depicted, are used to cool the atoms, while an atom chip, illustrated in gray, generates magnetic fields to manipulate their shape, in combination with radio waves.

Credit: NASA/JPL-Caltech

Continue reading “Ultracold Bubbles on Space Station Open New Avenues of Quantum Research” »

Saltzman, the service’s deputy chief of space operations, cyber and nuclear, envisions a future testing and training enterprise where space operators can connect virtually to practice tactics and new satellites and sensors are assessed in realistic simulated environments to make sure they’re working as designed.

“We don’t really have that ability to connect those things together,” Saltzman said during a recent Defense Writers Group event. “If you think about connection of simulators, if you think about that virtual range where those simulators plug in so they’re in an operational environment so they can see each other in a virtual sense — that’s kind of the next generation of training.”

The Space Force is on a path toward creating a National Space Test and Training Complex that could make Saltzman’s vision a reality. The service released its Test Enterprise Vision in May, identifying the NSTTC as a key enabler for space system and operator readiness.

WASHINGTON — The Space Development Agency wants to buy 10 satellites to support a new on-orbit experimentation effort.

The agency released a draft solicitation June 3 for the National Defense Space Architecture Experimental Testbed, or NExT, seeking a satellite provider to integrate government-provided payloads onto 10 satellites that SDA will use to test new capabilities.

The testbed will support SDA’s vision of creating a constellation of hundreds of satellites operating in low Earth orbit and is on track to launch the first of those systems this fall. While the initial solicitation will be for 10 satellites, an SDA official told C4ISRNET June 14 the agency expects NExT to provide an “enduring” test and experimentation capability. The official spoke on background to freely discuss the program.

A population of photosynthetic algae has been shown to exhibit a highly nonlinear response to light, forming dynamic structures in light-intensity gradients.

Many photosynthetic microbes move in response to light. For example, the single-celled green alga Chlamydomonas reinhardtii swims toward moderate light to photosynthesize and away from intense light to avoid damage. Two longstanding questions about this light response regard how light-seeking cells move in a light-intensity gradient and whether this motion depends on cell concentration. Now, Aina Ramamonjy and colleagues at the French National Center for Scientific Research (CNRS) and the University of Paris have answered these questions [1]. The results could improve our understanding of how groups of photosynthetic organisms arrange themselves into dynamic patterns to control the amount of light that they receive.

In 1911, the botanist Harold Wager reported a seminal study [2] that launched the field of bioconvection, a collective phenomenon that results in self-organized structures and emergent flow patterns in suspensions of swimming microbes. The overall picture is that dense collections of microbes that are heavier than surrounding water but can swim against gravity self-organize into passively descending, cell-packed plumes flanked by actively ascending, cell-sparse populations.