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Archive for the ‘biotech/medical’ category: Page 574

Jul 5, 2023

Lab-grown meat: the science of turning cells into steaks and nuggets

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

“It tastes like chicken.” That’s a common review of UPSIDE Foods’ new trial product. Perhaps that’s not surprising: it is, after all, chicken — at the cellular level. But the fillets are not from a slaughterhouse. They are grown in bioreactors in an urban factory in California.

Alittle over a decade ago, only a handful of researchers were investigating the potential of laboratory-made meat. The world’s first cultured beef burger, which reportedly cost US$325,000, was made by Maastricht University biomedical engineer Mark Post, who ate it at a press conference in 2013. Such products are now much closer to market: more than 150 companies around the world are working on cultured meat (from ground beef to steaks, chicken, pork and fish), milk or related ‘cellular agriculture’ products, including leather.


Companies making cultured meat are attracting billions of dollars of investment. Here are their biggest challenges.

Jul 5, 2023

Camera Sensitive Enough to Spot Single Photons Finally Achieved by Colorado Researchers

Posted by in categories: biotech/medical, computing, quantum physics, space travel

Camera sensitive enough to spot a single photon finally achieved by researchers in colorado.


A team of researchers from the National Institute of Standards and Technology in Boulder, Colorado, has successfully developed a super-sensitive camera capable of detecting a single photon.

This remarkable achievement opens up new avenues for scientific exploration and holds significant potential for applications in quantum computing, communications, space exploration, and medical research.

Continue reading “Camera Sensitive Enough to Spot Single Photons Finally Achieved by Colorado Researchers” »

Jul 5, 2023

Human Hand Scents: A Novel Tool for Sex Prediction

Posted by in categories: biotech/medical, sex

Summary: A new study reveals that the composition of scent compounds on a person’s hand can accurately determine their sex.

The analysis, using mass spectrometry, successfully predicted an individual’s sex with an impressive accuracy rate of 96.67%. In criminal investigations, this could provide valuable trace evidence where other discriminative evidence like DNA is lacking.

Continue reading “Human Hand Scents: A Novel Tool for Sex Prediction” »

Jul 5, 2023

35% Increase For Heart Rate Variability Since 2018

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

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Jul 5, 2023

Scientists Just Created Artificial Cells That Evolve Faster Than Natural Ones

Posted by in categories: bioengineering, biotech/medical

Minimal cells are synthetic cells with streamlined genomes. New study find these sorts of cells are still able to grow and evolve.

Jul 5, 2023

Self-healing robot skin created out of human cells

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

There are moments when scientists come close to creating the future artists envision for us. Researchers at the University of Tokyo have taken a step closer to bringing a sci-fi standard into reality: living human skin for robots.

Made from real cells, the living skin not only has the realistic texture that faux skin has difficulty mimicking, but also the ability to keep out water and heal itself.

“I think living skin is the ultimate solution to give robots the look and touch of living creatures since it is exactly the same material that covers animal bodies,” said Shoji Takeuchi, first author of the study and a project professor at the University of Tokyo who works on biohybrid systems.

Jul 5, 2023

Harnessing a paper-folding mechanism for reconfigurable DNA origami

Posted by in category: biotech/medical

Nature research paper: A method is presented to harness the paper-folding mechanism of reconfigurable macroscale systems to create reconfigurable DNA origami structures, in anticipation that it will advance the development of complex molecular systems.

Jul 5, 2023

Robot skin heals

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

Robotic finger. Illustration showing the cutting and healing process of the robotic finger (A), its anchoring structure (B) and fabrication process ©. ©2022 Takeuchi et al.

Researchers from the University of Tokyo pool knowledge of robotics and tissue culturing to create a controllable robotic finger covered with living skin tissue. The robotic digit has living cells and supporting organic material grown on top of it for ideal shaping and strength. As the skin is soft and can even heal itself, the finger could be useful in applications that require a gentle touch but also robustness. The team aims to add other kinds of cells into future iterations, giving devices the ability to sense as we do.

Professor Shoji Takeuchi is a pioneer in the field of biohybrid robots, the intersection of robotics and bioengineering. Together with researchers from around the University of Tokyo, he explores things such as artificial muscles, synthetic odor receptors, lab-grown meat, and more. His most recent creation is both inspired by and aims to aid medical research on skin damage such as deep wounds and burns, as well as help advance manufacturing.

Jul 5, 2023

Disease-Causing Bacteria Munch on Sugar in the Gut

Posted by in category: biotech/medical

University of British Columbia (UBC) and BC Children’s Hospital scientists discovered that disease-causing bacteria in the gut feed on sialic acid, a sugar found in the intestinal mucus layer.

Jul 5, 2023

The Biologist Blowing Our Minds

Posted by in categories: biotech/medical, media & arts, robotics/AI

Michael Levin, a developmental biologist at Tufts University, has a knack for taking an unassuming organism and showing it’s capable of the darnedest things. He and his team once extracted skin cells from a frog embryo and cultivated them on their own. With no other cell types around, they were not “bullied,” as he put it, into forming skin tissue. Instead, they reassembled into a new organism of sorts, a “xenobot,” a coinage based on the Latin name of the frog species, Xenopus laevis. It zipped around like a paramecium in pond water. Sometimes it swept up loose skin cells and piled them until they formed their own xenobot—a type of self-replication. For Levin, it demonstrated how all living things have latent abilities. Having evolved to do one thing, they might do something completely different under the right circumstances.

Slime mold grows differently depending on the music playing.

Not long ago I met Levin at a workshop on science, technology, and Buddhism in Kathmandu. He hates flying but said this event was worth it. Even without the backdrop of the Himalayas, his scientific talk was one of the most captivating I’ve ever heard. Every slide introduced some bizarre new experiment. Butterflies retain memories from when they were caterpillars, even though their brains turned to mush in the chrysalis. Cut off the head and tail of a planarian, or flatworm, and it can grow two new heads; if you amputate again, the worm will regrow both heads. Levin argues the worm stores the new shape in its body as an electrical pattern. In fact, he thinks electrical signaling is pervasive in nature; it is not limited to neurons. Recently, Levin and colleagues found that some diseases might be cured by retraining the gene and protein networks as one might train a neural network.

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