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News
Scientists discover a hidden immune signal that helps spinal cords regrow
5+ day, 8+ hour ago (199+ words) A surprising immune system signal may help explain why zebrafish can regenerate damaged spinal cords so effectively. Researchers found that certain neutrophils release Il-4, which calms harmful inflammation and allows injured nerve fibers to grow again. Without these cells, healing stalled,…...
MIT scientists develop injectable “mini livers” that work inside the body
6+ day, 5+ hour ago (646+ words) MIT engineers have developed injectable “mini livers” designed to help support people whose failing livers can no longer perform essential jobs. Instead of replacing the damaged organ, the approach injects liver cells together with tiny hydrogel spheres and supportive cells,…...
Scientists discover why damaged nerves struggle to heal
2+ week, 1+ day ago (272+ words) Scientists have identified a protein that acts like a brake on the nervous system’s ability to repair damaged connections. Blocking AHR helped injured nerve fibers regrow and improved movement and sensation in mice with nerve or spinal cord injuries. The…...
A missing color in indoor light may help prevent myopia
2+ week, 4+ day ago (797+ words) A wavelength of light largely missing from indoor LEDs may play an important role in protecting developing eyes from nearsightedness. Researchers found that indigo light completely prevented myopia in tree shrews, whose eyes share important similarities with human eyes. The…...
Screen time at ages 1 and 6 may matter more than parents realize
2+ week, 5+ day ago (41+ words) More screen time during infancy and around the start of school was linked to poorer academic performance and weaker working memory years later. The findings suggest that early childhood may contain particularly sensitive windows when screen habits can have longer-lasting…...
The dental crown of the future could be 3D-printed while you wait
2+ week, 6+ day ago (522+ words) Researchers at the University of Texas at Dallas have developed a technology that could make it possible for dentists to produce permanent 3D-printed zirconia restorations in a single day. Zirconia is considered the gold-standard material for permanent dental work because…...
AI may know how you’ll respond to a vaccine before you get it
3+ week, 1+ day ago (576+ words) AI may be able to predict how strongly someone will respond to a vaccine before they receive it. By analyzing antibody patterns in more than 4,000 people, researchers found signs of “immune readiness” that helped distinguish strong responders from weak ones....
Researchers paving the way for new era in medical imaging
3+ week, 6+ day ago (291+ words) New technology developed by researchers at the University of Houston could revolutionize medical imaging and lead to faster, more precise and more cost-effective alternatives to traditional diagnostic methods. "We have developed a method that compensates for these detector distortions by…...