Tag

Imaging

All articles tagged with #imaging

health27 days ago•42 min saved

Glow-on Scans Trim Unnecessary Prostate Biopsies

Australian researchers show that PSMA PET/CT scans light up aggressive prostate cancers so clearly that many patients with inconclusive MRI can avoid invasive biopsies, potentially halving biopsy rates without missing clinically significant disease; the Primary2 trial (about 660 men) found that those with negative scans did not need biopsies and those with positive scans had targeted biopsies, with two-year follow-up and increasing availability in Australia and Europe.

via Good News Network|

#biopsy #health #imaging

health1 month ago•3 min saved

Lawyer Survives Giant Brain Tumor After Sudden Collapse

Houston attorney Nate Broughty, known online as 'Nate The Lawyer,' fainted and developed severe headaches, leading doctors to discover a massive brain tumor (meningioma). Surgeons removed about 90% of it in a 15-hour operation; initial grading was grade 2 but later tests suggested a low-grade, near-benign tumor. Three months post-op scans showed no remaining tumor, and he is adjusting to life after surgery while doctors continue monitoring; the family had also faced his wife’s breast cancer diagnosis earlier in the year.

via TODAY.com|

#brain-surgery #brain-tumor #health

science1 month ago•4 min saved

Giant accelerator reveals hidden teeth in 200-million-year-old dinosaur embryos

Using the European Synchrotron Radiation Facility's powerful X‑rays, researchers scanned a six‑egg clutch of Massospondylus carinatus embryos from 200‑million‑year‑old eggs found in South Africa, revealing tiny skulls and two distinct tooth generations—one temporary and shed before hatching, the other adult‑like—along with skeletal development consistent with two‑legged hatchlings and reptile–bird similarities.

via The Daily Galaxy|

#dinosaurs #embryology #imaging

science2 months ago•6 min saved

Expansion Microscopy Turns Tiny Cells Into Big Clues

Expansion microscopy uses a diaper-inspired hydrogel to physically swell biological samples, enabling higher-resolution visualization of tiny cellular structures with standard microscopes. By improving dye penetration and preserving overall architecture, it democratizes microscopy and reveals detailed cytoskeletal diversity across species.

via Quanta Magazine|

#cell-biology #cytoskeleton #expansion-microscopy

health6 months ago•3 min saved

Repeated Head Impacts in Youth Sports May Cause Brain Damage and Long-Term Effects

A large study has found that repetitive heading in soccer can cause microscopic brain changes and impair cognitive functions, even in amateur players without reported concussions, highlighting potential long-term health risks associated with the sport.

via ScienceAlert|

#brain-injury #cognitive-function #headers

$StellaMira 86mm ED Refractor Telescope Review$

technology6 months ago•6 min saved

StellaMira 86mm ED Refractor Telescope Review

The StellaMira 86mm ED f/7 quadruplet refractor telescope, launched by First Light Optics in 2025, offers high-quality build, excellent optical performance with minimal chromatic aberration, and a hassle-free flat field for astrophotography, making it an ideal choice for both beginners and experienced astronomers. It features a sturdy aluminium body, integrated dew shield, dual-speed focuser, and comes with a comprehensive set of accessories, all at a competitive price.

via BBC Sky at Night Magazine|

#astronomy #imaging #refractor

space-exploration7 months ago•1 min saved

NASA's Psyche Mission Captures Earth and Moon from Deep Space

NASA's Psyche spacecraft captured images of Earth and the Moon using long-exposure photography, helping scientists understand how the spacecraft's cameras respond to reflected sunlight from solar system objects, with the mission led by Arizona State University and managed by JPL, aiming to study the asteroid Psyche.

via NASA Jet Propulsion Laboratory (JPL) (.gov)|

#earth-and-moon #imaging #nasa

science7 months ago•4 min saved

Difficulties in Capturing Clear Images of Interstellar Objects

The article discusses the challenges of obtaining high-resolution images of interstellar objects like 3I/ATLAS with current telescopes and explores future possibilities such as lunar interferometers and spacecraft arrays to better understand these objects, potentially revealing whether they are natural or technological in origin.

via Avi Loeb – Medium|

#3iatlas #imaging #interstellar-objects

science9 months ago•5 min saved

NASA's Mars Imaging Breakthroughs Transform Global Perspective

NASA's imaging technology has significantly advanced over the past 60 years, starting with Mariner 4's first images of Mars, leading to high-resolution cameras on orbiters and rovers like Viking, Pathfinder, Spirit, Opportunity, Curiosity, and Perseverance, as well as aerial views from the Ingenuity helicopter, transforming our understanding of the Red Planet.

via NASA (.gov)|

#imaging #mars #mars-rovers

sports2 years ago•3 min saved

Eury Perez's Elbow Injury and Nail Issue: A Miami Marlins Update

Miami Marlins pitcher Eury Perez is set to undergo imaging and testing for elbow soreness, with concerns about a potential lengthy absence. The team has been plagued by rotation injuries, with several pitchers, including Sandy Alcantara, facing setbacks. Perez, a top prospect, was expected to play a key role in the team's plans for the 2024 season. The Marlins will need strong performances from their lineup to compensate for the pitching injuries and aim for postseason contention.

via MLB Trade Rumors|

#elbow-soreness #eury-perez #imaging

astronomy2 years ago•5 min saved

"Consistent Appearance: Latest Findings on M87* Black Hole"

The Event Horizon Telescope Collaboration has released new images of M87* from observations taken in April 2018, revealing a familiar, bright ring of emission of the same size as in 2017. The new image, captured by the Event Horizon Telescope, validates our understanding of black holes and general relativity, showing a dark central shadow and gravitational lensing effects. Key contributions to the imaging team were made by researchers at Caltech, including Professor Katie L. Bouman and former Ph.D. student Nitika Yadlapalli Yurk. The process of imaging M87* with the EHT involves converting radio wave data into images and testing algorithms with synthetic data. The new image shows a slight shift in the brightest portion of the glowing ring, likely due to the turbulent flow of matter around the black hole, but remains consistent with the previous image, demonstrating reproducibility with independent data.

via Phys.org|

#astronomy #black-hole #event-horizon-telescope

science-and-technology2 years ago•4 min saved

"Revolutionary All-Glass Metalens Captures Stunning Images of Sun, Moon, and Nebulae"

Researchers at Harvard SEAS have developed a 10-centimeter-diameter glass metalens using conventional CMOS fabrication technology, allowing it to image the sun, moon, and distant nebulae with high resolution. By overcoming engineering challenges, the team demonstrated the metalens' ability to survive extreme conditions and produce detailed images comparable to those taken by conventional lenses. This breakthrough opens new opportunities for space science and technology, as well as applications in astronomy, free-space optical communications, long-range telecommunications, and directed energy transport.

via Phys.org|

#astronomy #glass #imaging

space-exploration2 years ago•2 min saved

"Psyche Spacecraft Captures Stunning First Images of Space"

NASA's Psyche spacecraft, on its way to the asteroid Psyche, has captured and beamed back its first images, revealing a field of stars in the constellation Pisces. The spacecraft's twin cameras took a total of 68 images, which were stitched together to create a mosaic. The images will help determine the composition of the metal-rich asteroid and create 3D maps to understand its geology. Psyche is expected to enter the asteroid's orbit in July 2029.

via Gizmodo|

#asteroid-psyche #imaging #nasa

space2 years ago•4 min saved

"NASA's Psyche Spacecraft Captures Stunning Images of Metal Asteroid"

NASA's Psyche spacecraft, on its way to the asteroid Psyche in the main asteroid belt, has successfully turned on its twin cameras and captured its first images, marking a significant milestone for the mission. The images were taken within a star field in the constellation Pisces and will be used to verify the instruments' performance and calibrate the images. Additionally, the spacecraft's magnetometer detected solar eruptions, confirming its ability to detect small magnetic fields and its own magnetic "quietness." The mission also achieved the first-ever use of Hall-effect thrusters in deep space and demonstrated optical communications from a record distance. The team will continue to power on and test the other science instruments to gather data on the asteroid's composition and surface material.

via NASA Jet Propulsion Laboratory|

#asteroid #deep-space #imaging

science-and-technology2 years ago•5 min saved

Revolutionizing Microscopy: Engineers Pave the Way for Cutting-Edge Imaging Techniques

Researchers at Boston University have published two papers in Nature Communications and Science Advances, introducing advanced microscopy techniques that improve the detection limit of vibrational imaging. The techniques, called vibrational photothermal microscopy (VIP microscopy) and stimulated Raman photothermal (SRP) microscopy, allow for the visualization of target molecules at low concentrations without the need for dyes. The findings have significant implications for the field of microscopy and may influence future scientific applications. The researchers have filed provisional patents for both technologies and are collaborating with other experts in the field.

via Phys.org|

#imaging #microscopy #research-collaboration