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Archive for the ‘biotech/medical’ category: Page 901

Aug 27, 2022

Neuralink will probably not be wanted

Posted by in categories: biotech/medical, Elon Musk, neuroscience

Meta CEO Mark Zuckerberg was a recent guest on The Joe Rogan Experience podcast, and during the episode, he discussed, among other things, neural technology. During his conversation, Zuckerberg remarked that Elon Musk’s Neuralink would probably not be popular in the next 10–15 years because “normal people” would not want to have devices implanted in their brains that are made of non-mature technology.

Zuckerberg admitted that Meta is researching neural interface tech as part of the company’s push into the metaverse, though he also noted that the tech company is focusing on innovations that can receive signals from the brain but does not send any information back to it.

In later comments, the Meta CEO noted that companies like Elon Musk’s Neuralink, which is developing a device that can be implanted into people’s skulls, is taking neural technology “super far-off.” Neuralink’s implant is designed to record and stimulate brain activity, which Musk has stated could help people address conditions such as obesity.

Aug 27, 2022

The uses of ethical AI in hiring: Opaque vs. transparent AI

Posted by in categories: biotech/medical, robotics/AI

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There hasn’t been a revolution quite like this before, one that’s shaken the talent industry so dramatically over the past few years. The pandemic, the Great Resignation, inflation and now talk of looming recessions are changing talent strategies as we know them.

Such significant changes, and the challenge of staying ahead of them, have brought artificial intelligence (AI) to the forefront of the minds of HR leaders and recruitment teams as they endeavor to streamline workflows and identify suitable talent to fill vacant positions faster. Yet many organizations are still implementing AI tools without proper evaluation of the technology or indeed understanding how it works — so they can’t be confident they are using it responsibly.

Aug 27, 2022

5 Ways to Reduce Visceral Fat, Backed By Science

Posted by in categories: biotech/medical, health, science

There’s an epidemic in Western countries, and one few people are aware of. It’s an epidemic of visceral fat, a deep kind of fat that packs around vital organs, like the liver, and is linked with health problems like diabetes, heart disease, and high blood pressure.

You might assume that only people who are overweight or obese have too much visceral fat, but that’s not the case. Thin people, particularly inactive ones and older individuals, can have enough visceral fat to increase their risk of chronic health problems. They may look thin, but they’re not healthy because they have too much visceral fat and other markers of bad health.

Although it’s not easy to trim down visceral fat, science shows there are ways to reduce your body’s visceral fat burden and improve your health simultaneously.

Aug 27, 2022

When taking a pill, your body posture matters

Posted by in category: biotech/medical

A pill’s active ingredient can be absorbed quickly or slowly depending upon your body posture after taking it.

Aug 27, 2022

Corneas made from pig collagen return sight to 20 people

Posted by in categories: bioengineering, biotech/medical, economics, food

Corneal blindness occurs when the transparent membrane that covers the front of the eye and acts as a lens becomes opaque and prevents the light from reaching the back of the eye, inhibiting vision. It can be solved with a transplant, but experts estimate that 12.7 million people are currently waiting for a cornea donation. These membranes are in short supply: for every 70 that are needed, only one is available. In view of this problem, especially in countries where there are fewer donations of human corneas due to limited infrastructure, a group of Swedish researchers tested corneas made from pig skin collagen in 20 people who needed transplants (all of them Iranian or Indian citizens; 14 of them were blind). After two years, they all showed improvement, and those who were blind could see again. Although more complex clinical trials are still necessary to validate the measure, the first test of this bioengineered corneal tissue has proven to be safe. The results of this pilot study were published in the Nature Biotechnology journal.

There is also a socioeconomic aspect to corneal blindness: one million new cases are diagnosed every year, but according to researchers, most are concentrated in low-and middle-income countries in Asia, Africa and the Middle East – precisely where it is most difficult to obtain a donated human cornea, due to endless “economic, cultural, technological, political and ethical barriers.” Finding an alternative to the human cornea transplant is key, the authors point out, to fighting keratoconus, a disease that weakens and thins the cornea, and which is the reason for most transplants.

In order to find an alternative to donated human cornea, the researchers bioengineered collagen, the main protein in the human cornea, as a raw material. “For an abundant yet sustainable and cost-effective supply of collagen, we used medical-grade collagen sourced from porcine skin, a purified byproduct from the food industry already used in FDA-approved medical devices for glaucoma surgery and as a wound dressing,” they explain in the article. Unlike the human corneas, which must be used in less than two weeks, bioengineered corneas can be stored for up to two years.

Aug 27, 2022

Scientists map genome regions that regulate speed of brain aging

Posted by in categories: biotech/medical, life extension, neuroscience

NIA-funded researchers identified areas of the genome responsible for accelerating or slowing down brain aging.

Aug 27, 2022

AIIMS Bilaspur ties up with IIT Mandi for drone delivery of medicines

Posted by in categories: biotech/medical, drones, education

While the OPD has been thrown open to the people, work is going on war footing as PM Modi is expected to inaugurate the hospital early next month. The hospital already has 25 transport ventilators from the PM CARES fund.

Any person coming for treatment will only have to pay Rs 10 in registration charges for a lifetime and there are nominal charges for treatment.

AIIMS Bilaspur is set up with the objectives of correcting regional imbalances in the availability of affordable/reliable tertiary healthcare services and also to augment facilities for quality medical education in the country.

Aug 27, 2022

Researchers untangle the physics of high-temperature superconductors

Posted by in categories: biotech/medical, materials

When some materials are cooled to a certain temperature, they lose electric resistance, becoming superconductors.

In this state, an electric charge can course through the material indefinitely, making superconductors a valuable resource for transmitting high volumes of electricity and other applications. Superconductors ferry electricity between Long Island and Manhattan. They’re used in medical imaging devices such as MRI machines, in particle accelerators and in magnets such as those used in maglev trains. Even unexpected materials, such as certain ceramic materials, can become superconductors when cooled sufficiently.

But scientists previously have not understood what occurs in a material to make it a superconductor. Specifically, how high-temperature superconductivity, which occurs in some materials, works hasn’t been previously understood. A 1966 theory examining a different type of superconductors posited that electrons which spin in opposite directions bind together to form what’s called a Cooper pair and allow electric current to pass through the material freely.

Aug 26, 2022

‘Mind-Reading’ Technology Can Turn Brain Activity Into Images

Posted by in categories: biotech/medical, information science, robotics/AI

Scientists in the Netherlands combined a functional MRI scanner with a powerful AI algorithm to reconstruct visual stimuli.

Aug 26, 2022

Synthetic embryo grown without sperm, womb. It has a brain and a beating heart

Posted by in categories: biotech/medical, neuroscience

In a new medical breakthrough, scientists have successfully grown a synthetic embryo of a mouse without male sperm and a female womb. They used stem cells from mice to recreate the first stage of life and successfully developed an embryo with a brain, beating heart, and vitals for other organs.

The natural process of life was mimicked in the lab without eggs or sperm but with the body’s master cells, which can develop into almost any cell type in the body. The embryo was developed 8 ½ days after fertilization, containing the same structures as a natural one.

The study published in the journal Nature states that their result demonstrates the self-organization ability of embryonic and two types of extra-embryonic stem cells to reconstitute mammalian development. The researchers induced expression of a particular set of genes and established a unique environment for their interactions and got the stem cells to ‘talk’ to each other.

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