Page 315
Nov 25, 2024
Lunar Outpost selects Starship to deliver rover to the moon
Posted by Kelvin Dafiaghor in category: space travel
BREMEN, Germany — Lunar Outpost has selected SpaceX’s Starship vehicle to deliver to the moon the Artemis lunar rover it is developing for potential use by NASA.
The Colorado company announced Nov. 21 that it signed an agreement for SpaceX to use Starship to transport the company’s Lunar Outpost Eagle rover to the moon. The companies did not disclose a schedule for the launch or other terms of the deal.
Lunar Outpost is one of three companies that won NASA contracts in April for the first phase of the Lunar Terrain Vehicle (LTV) program to support the development of a rover that can be used by future Artemis missions. Each company received a one-year contract to mature the design of their rovers through a preliminary design review (PDR), and the agency will later select at least one of the companies to develop the rover.
Nov 25, 2024
From Hallucinations to Healing: Reducing Errors in AI for Healthcare
Posted by Shubham Ghosh Roy in categories: biotech/medical, health, robotics/AI
This member-only story is on us. Upgrade to access all of Medium.
Now that AI is transforming nearly every industry, healthcare stands out as a field with immense potential — and unique risks.
A single AI-generated error here could lead to serious consequences for patient health.
Nov 25, 2024
Underwater volcano-like structure is spewing gas off Alaska’s coast, US Coast Guard says
Posted by Genevieve Klien in category: mapping
Mapping in the Chukchi and Beaufort seas off Alaska has uncovered a 1,640-foot-tall structure on the seafloor, but scientists say it’s too early to determine the nature of the discovery.
Nov 25, 2024
Revolutionary High-Speed 3D Bioprinter hailed a Gamechanger for Drug Discovery
Posted by Shubham Ghosh Roy in categories: 3D printing, bioprinting, biotech/medical, neuroscience
Biomedical engineers from the University of Melbourne have invented a 3D printing system, or bioprinter, capable of fabricating structures that closely mimic the diverse tissues in the human body, from soft brain tissue to harder materials like cartilage and bone.
This cutting-edge technology offers cancer researchers an advanced tool for replicating specific organs and tissues, significantly improving the potential to predict and develop new pharmaceutical therapies. This would pave the way for more advanced and ethical drug discovery by reducing the need for animal testing.
Head of the Collins BioMicrosystems Laboratory at the University of Melbourne, Associate Professor David Collins said: In addition to drastically improving print speed, our approach enables a degree of cell positioning within printed tissues. Incorrect cell positioning is a big reason most 3D bioprinters fail to produce structures that accurately represent human tissue.
Nov 25, 2024
Myeloperoxidase leads the way toward safe and efficient antiseptics
Posted by Shubham Ghosh Roy in category: biotech/medical
Within the body, cells involved in specific functions, like immune response and secretion, are equipped with granules, which are small membrane-bound compartments containing enzymes, proteins, or other molecules. In neutrophils, the so-called azurophilic (or primary) granules contain enzymes that are involved in the initial response to an infection.
MPO-based E-101 is the first wound and systemically safe antiseptic, with a safety profile comparable to saline, that is effective in physiological conditions.
Myeloperoxidase, or MPO, is one of the most important of such enzymes for the immune system’s ability to destroy pathogens. Allen has been studying the physiological role of MPO since 1971. Using chemiluminescence and metabolic studies he has been able to study the complex and finely regulated mechanism of NADPH oxidase driven MPO action in microbicidal activity.
Nov 25, 2024
Dream Chaser spaceplane to make daring NASA ISS trip and then land on runway
Posted by Genevieve Klien in categories: futurism, space
A SPACEPLANE that uses regular runways could fly to space as soon as next year.
Called Dream Chaser, the futuristic spacecraft will fly on a NASA mission to resupply the International Space Station.
The mission – officially called SSC Demo-1 – is due to take place “no earlier than May 2025”
Nov 25, 2024
DNA repair by cooperation between proteins: A look inside the cell’s repair hub
Posted by Genevieve Klien in categories: biotech/medical, chemistry, genetics
New research from the Kind Group at the Hubrecht Institute sheds light on how cells repair damaged DNA. For the first time, the team has mapped the activity of repair proteins in individual human cells.
The study demonstrates how these proteins collaborate in so-called “hubs” to repair DNA damage. This knowledge offers opportunities to improve cancer therapies and other treatments where DNA repair is essential. The researchers published their findings in Nature Communications on November 21.
DNA is the molecule that carries our genetic information. It can be damaged by normal cellular processes as well as external factors such as UV radiation and chemicals. Such damage can lead to breaks in the DNA strand. If DNA damage is not properly repaired, mutations can occur, which may result in diseases like cancer. Cells use repair systems to fix this damage, with specialized proteins locating and binding to the damaged regions.
Nov 25, 2024
NASA tests cellphone-sized underwater robots for future ocean world missions (video)
Posted by Genevieve Klien in categories: alien life, chemistry, mobile phones, robotics/AI
Designed to one day search for evidence of life in the briny ocean beneath the icy shell of Jupiter’s moon Europa, these robots could play a key role in detecting chemical and temperature signals that might indicate alien life, according to scientists at NASA’s Jet Propulsion Laboratory (JPL), who designed and tested the robots.
“People might ask, why is NASA developing an underwater robot for space exploration?” said Ethan Schaler, the project’s principal investigator at JPL. “It’s because there are places we want to go in the solar system to look for life, and we think life needs water.”
Nov 25, 2024
Brain Mapping Unveils Secrets to Designing Livable, People-Centric Cities
Posted by Genevieve Klien in categories: biotech/medical, neuroscience
Summary: Researchers have demonstrated how brain activity can predict behavior in urban environments, providing a roadmap for improving urban planning. Using functional MRI scans, the study identified activity in the brain’s reward system, specifically the ventromedial prefrontal cortex, as a key predictor of why people visit certain urban areas.
Participants rated photos of Lisbon’s urban spaces, and their brain responses were linked to visitation patterns, showing that people are drawn to areas of perceived value. This research suggests urban design can prioritize environments that align with cognitive and emotional well-being.
Neurourbanism, the emerging field behind this study, offers tools to design cities that enhance livability and sustainability. By focusing on human-centered approaches, cities can improve efficiency, mobility, and resident happiness.