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Archive for the ‘biological’ category: Page 82

Nov 25, 2022

Here’s How NASA Determines Which Applicants Make It to Be Astronauts

Posted by in categories: biological, computing, engineering, space travel

Many children grow up gazing up at the night sky, dreaming of becoming astronauts who boldly go to the Moon – and beyond.

But in order to get that elusive job, would-be astronauts must make it through a competitive selection process. For NASA’s 2021 class of astronauts, the space agency said it chose just 10 candidates from more than 12,000 applicants.

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Nov 25, 2022

AI tailors artificial DNA for future drug development

Posted by in categories: biological, biotech/medical, food, genetics, robotics/AI

With the help of an AI, researchers at Chalmers University of Technology, Sweden, have succeeded in designing synthetic DNA that controls the cells’ protein production. The technology can contribute to the development and production of vaccines, drugs for severe diseases, as well as alternative food proteins much faster and at significantly lower costs than today.

How genes are expressed is a process that is fundamental to the functionality of cells in all living organisms. Simply put, the in DNA is transcribed to the molecule messenger RNA (mRNA), which tells the cell’s factory which to produce and in which quantities.

Researchers have put a lot of effort into trying to control gene expression because, among other things, it can contribute to the development of protein-based drugs. A recent example is the mRNA vaccine against COVID-19, which instructed the body’s cells to produce the same protein found on the surface of the coronavirus.

Nov 24, 2022

Lee Smolin: Quantum Gravity and Einstein’s Unfinished Revolution

Posted by in categories: biological, cosmology, quantum physics

https://www.youtube.com/watch?v=WgLo4gmEraU

Lee Smolin is a theoretical physicist, co-inventor of loop quantum gravity, and a contributor of many interesting ideas to cosmology, quantum field theory, the foundations of quantum mechanics, theoretical biology, and the philosophy of science. He is the author of several books including one that critiques the state of physics and string theory called The Trouble with Physics, and his latest book, Einstein’s Unfinished Revolution: The Search for What Lies Beyond the Quantum.

This episode is presented by Cash App. Download it & use code “LexPodcast”:
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Nov 24, 2022

A New Sound Levitation Breakthrough

Posted by in categories: biological, mathematics, particle physics

Sound waves, like an invisible pair of tweezers, can be used to levitate small objects in the air. Although DIY acoustic levitation kits are readily available online, the technology has important applications in both research and industry, including the manipulation of delicate materials like biological cells.

Researchers at the University of Technology Sydney (UTS) and the University of New South Wales (UNSW) have recently demonstrated that in order to precisely control a particle using ultrasonic waves, it is necessary to take into account both the shape of the particle and how this affects the acoustic field. Their findings were recently published in the journal Physical Review Letters.

Sound levitation happens when sound waves interact and form a standing wave with nodes that can ‘trap’ a particle. Gorkov’s core theory of acoustophoresis, the current mathematical foundation for acoustic levitation, makes the assumption that the particle being trapped is a sphere.

Nov 24, 2022

Using math to decode biology’s programming language

Posted by in categories: biological, mathematics, media & arts

There is a deep root of mathematics within biology. How this came to be, you’ll have to watch the video to find out.

Created by Prompt Suathim (2nd year undergrad, Integrated Science, UBC)

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Nov 23, 2022

Tonnes of unknown microbes could be released as the glaciers melt

Posted by in categories: biological, climatology, sustainability

Some of them could fertilize ecosystems, while others could have pathogenic potential.

More and more glaciers are melting as the Earth heats up, posing a multitude of threats to humanity. From rising sea levels to increased coastal erosion, the record speed at which the world’s ice sheets are melting has the potential to disrupt societies globally.

Now scientists from Aberystwyth University warn that hundreds of thousands of tonnes of microbes could leak into lakes and rivers as the world’s glaciers melt due to climate change, according to an institutional press release.

Nov 23, 2022

Scientists find common genes involved in muscle strength

Posted by in categories: biological, genetics

Circa 2017 face_with_colon_three


Study of more than 195,000 people finds 16 common genetic variants associated with muscle strength and gives insight into underlying biological mechanisms.

Nov 22, 2022

A breakthrough AI can track real-time cell changes revealing a key mystery in biology

Posted by in categories: biological, robotics/AI

The study shows how deep learning can be used to detect cell image analysis.

Researchers have found a way to observe cell samples to study morphological changes — or the change in form and structure — of cells. This is significant because cells are the basic unit of life, the building blocks of living organisms, and researchers need to be able to observe what could influence the parameters of cells, such as size, shape, and density.

Conventionally, cell samples were observed directly through microscopes by scientists to observe and discover any changes of the cells. They would look for morphological changes in the cell structures.

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Nov 22, 2022

Dr. David Markowitz, PhD — IARPA — High-Risk, High-Payoff Research For National Security Challenges

Posted by in categories: bioengineering, biological, genetics, information science, neuroscience, robotics/AI, security, surveillance

High-Risk, High-Payoff Bio-Research For National Security Challenges — Dr. David A. Markowitz, Ph.D., IARPA


Dr. David A. Markowitz, Ph.D. (https://www.markowitz.bio/) is a Program Manager at the Intelligence Advanced Research Projects Activity (IARPA — https://www.iarpa.gov/) which is an organization that invests in high-risk, high-payoff research programs to tackle some of the most difficult challenges of the agencies and disciplines in the U.S. Intelligence Community (IC).

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Nov 22, 2022

Dr. David Sinclair

Posted by in categories: biological, genetics, life extension

Harvard University geneticist Dr. David Sinclair’s lab is developing a cheek swab test kit so that you can check your biological age at home. You then get updates on how to slow down and reverse your aging.


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